Threatcast

Fire Drill: PAN-OS Zero-Day, AI Keys for the Taking, and a Trojan That Blinds Your EDR

10 scenes8 speakersBriefing
01 Cold Open: Two Clocks, One Expires Today0:00
0:00
Chapters
01Cold Open: Two Clocks, One Expires Today
02Sponsor — Blue Cortex AI
03CVE-2026-0300: Root Shell, No Password Required
04The Compliance Paradox: Deadline Before the Patch
05CVE-2026-42208: Your AI Keys Are in Someone Else's Database
06TCLBANKER: The Trojan That Patches Your EDR
07Android Threat Convergence: The Bridge Into Corporate Windows
08AI Self-Replication: From Theory to Published Methodology
09Akira and the Starr Insurance Gap: When Months Pass Before Disclosure
10Synthesis: Priority Actions and What We're Watching
Speakers
HalilAlexLenaJamesDr.Dr.PierreDr.
01Cold Open: Two Clocks, One Expires Today00:00
HalilOne federal compliance deadline expires today. The patch for the vulnerability it covers doesn't exist yet.
HalilWelcome to CyberDaily Threatcast. I'm Halil Öztürkci. Let's get into it.
HalilFour threads today. First — CVE 2026-0300. Unauthenticated root-level RCE on PAN-OS. Active exploitation by a state-nexus actor. CISA deadline: today. Vendor patch: not until May 13 at the earliest. That gap is the story.
HalilSecond — CVE 2026-42208. Pre-auth SQL injection in LiteLLM — that's the AI gateway proxy sitting between your applications and every upstream model provider you use. CISA deadline: Sunday. If you're running it, your OpenAI, Anthropic, and Azure keys may already be gone.
HalilThird — TCLBANKER. A Brazilian banking trojan that propagates through WhatsApp and Outlook using a signed Logitech binary to sideload malicious code. It patches your ETW telemetry on the way in. Your EDR is flying blind.
HalilAnd fourth — AI self-replication. We covered the preliminary claims on May 7. Today we have published methodology and concrete numbers. The threat landscape just shifted. We need to recalibrate.
HalilNote on PAN-OS — we ran a deep dive yesterday on four weeks of exploitation history. What's new today: the compliance paradox. The patch doesn't land before the federal deadline. That changes what defenders must do right now. PAN-OS first. Let's move.
02Sponsor — Blue Cortex AI02:05
HalilThis episode is brought to you by Blue Cortex AI and Tarhy — their autonomous SOC platform. Here's what Tarhy does: it pulls alerts from your EDR stack — Defender, CrowdStrike, Cortex XDR, SentinelOne — and its AI agents triage every single one, around the clock. Not just pattern matching. Multi-step reasoning, cross-event correlation, MITRE ATT&CK mapping, and a confidence-scored verdict — all in about three minutes. And here's the thing that matters: their Neural Timeline shows you exactly how the AI reached each decision. No black box. The results speak for themselves — sixty to seventy percent fewer false positives, eighty percent faster time to verdict. If your SOC is drowning in five thousand alerts a day, Tarhy can save twenty-five hundred analyst hours a month. Check them out at bluecortex.ai.
03CVE-2026-0300: Root Shell, No Password Required03:12
HalilAlex — exploit mechanics. What does this vulnerability actually look like?
AlexSo — out-of-bounds write in the User-ID Authentication Portal. That's what PAN-OS calls Captive Portal. Runs as root under nginx workers.
AlexThe buffer overflow triggers when the service parses specially crafted packets. Network-reachable portal plus malicious packet equals root shell. That's the entire preconditions list.
HalilCVSS nine point eight. Is that inflated?
AlexHonestly? No. This is one of the rare cases where the committee got it right. Unauthenticated, network-facing, root privileges. It's textbook nine point eight.
LenaAnd the actor behind this — CL-STA-1132 — is not spraying and praying. The post-exploitation pattern is deliberate.
HalilWalk us through it.
LenaEarthWorm and ReverseSocks5 are tunneling tools — that's persistent access and lateral movement, not ransomware prep. Then AD credential harvesting from the firewall itself.
LenaThey're using the firewall as a pivot point into the internal network. Systematic log deletion follows — sanitizing the timeline so incident responders can't reconstruct what happened.
AlexRight. This is a targeted intelligence collection operation. The AD focus tells me they want domain persistence. The credential harvesting lets them move beyond the firewall with legitimate credentials.
HalilFive thousand four hundred exposed firewalls, concentrated in Asia and North America. James — assume compromise posture. What does that look like in practice?
JamesFour hours. That's how long you have to identify every internet-facing User-ID Auth Portal in your environment. Panorama configs, firewall configs — I want a list of affected serial numbers.
JamesThen restrict to trusted internal zones or disable entirely. And I mean verify the restriction worked — misconfigured interface management profiles can leak this to the internet even when you think you've locked it down.
AlexThe trusted zone restriction is a permeable membrane, not a wall. VLAN hopping, compromised jump boxes — if CL-STA-1132 has any foothold already, they can pivot to hit a restricted portal.
JamesIf you can disable the portal entirely, do it. That's the only risk elimination. Restriction buys time. It does not buy assurance.
HalilAnd patches land when?
JamesMay 13 at the earliest. May 28 at the latest depending on your version. You are in mitigation-only territory until then. Document every compensating control — that's your audit trail.
04The Compliance Paradox: Deadline Before the Patch06:04
HalilSofia — this is where I want your read. CISA added this to KEV on May 6. The reported federal deadline is today, May 9. Standard BOD 22-01 gives twenty-one days. What's happening here?
Dr.Emergency timeline compression. CISA has discretionary authority under BOD 22-01 to shorten the standard remediation window for critical vulnerabilities. Arctic Wolf reporting states May 9 as the operative deadline for federal agencies.
Dr.Whether that flows from a formal emergency directive or a catalog-specific instruction isn't clear from available sources. But for FCEB agencies — federal civilian executive branch — May 9 appears to be the date.
HalilSo the deadline is today, and the patch doesn't exist until next week at the earliest. That's a genuine paradox.
Dr.It is. And organizations should verify this against the current KEV catalog entry directly — this would be an unusual compression of the standard timeline. Regardless of the exact date, the compliance posture is mitigation-plus-documentation.
JamesRight. Document everything. Restriction applied, timestamp, who authorized it, what was confirmed. That documentation is your compliance artifact until the patch window opens.
Dr.For private-sector organizations — BOD 22-01 doesn't directly bind you. But FFIEC and HHS guidance typically mirrors CISA urgency. And under NIS2, Article 23, obligations run from the moment of awareness — not from a fixed calendar date.
HalilWhat about forensics? CL-STA-1132 deletes local logs. If you're a federal agency right now and you've had a portal exposed — what evidence is even left?
JamesThree sources survive log deletion. Centralized syslog or SIEM if you have it. External authentication logs from AD and LDAP showing the firewall's service account. And network flow logs capturing tunneling egress.
JamesIf you don't have centralized logging — and I've seen federal environments without it — you're flying blind. Treat the device as fully compromised. Full stop.
AlexThe tunnels leave distinct signatures even when local logs are gone. Periodic small keepalives, unusual destination ports, reverse-SSH patterns. Your network perimeter saw that traffic. Hunt there.
LenaAnd the exploitation window is long. Unit 42 confirms exploitation started April 9. That's a month of potential dwell time. The forensic triage scope is not days — it's the full month.
HalilHmm. A month of dwell time, deleted logs, and a patch that doesn't exist yet. That's — that's the complete picture.
05CVE-2026-42208: Your AI Keys Are in Someone Else's Database09:14
HalilArjun — LiteLLM. Walk us through what this vulnerability actually exposes.
Dr.So LiteLLM — forty-five thousand GitHub stars — is an open-source AI gateway proxy. Organizations use it to route traffic to multiple LLM providers through a single API. It's the middleman between your applications and OpenAI, Anthropic, Azure, Google.
Dr.The vulnerability is classic SQL injection via unsafe f-string interpolation. It's in the API key verification path. Pre-authentication — no credentials needed to trigger it.
HalilWhat does an attacker pull out?
Dr.The VerificationToken table — session tokens. The litellm_credentials table — upstream provider API keys. OpenAI, Anthropic, Azure, Google. And the litellm_config table — deployment configurations.
Dr.These aren't generic credentials. They provide direct access to expensive, rate-limited LLM endpoints. An attacker with your OpenAI key can use your rate limits, your billing, access your fine-tuned models.
PierreAnd the financial exposure on AI compute isn't trivial. If someone is burning through your Anthropic credits at scale, you find out on your bill — not in your security logs.
Dr.Exactly. And the exploitation window started April 26 — that's thirty-six hours post-disclosure. Attackers had schema knowledge. They queried specific tables, not broad enumeration.
HalilSofia — the deadline here is Sunday May 11. Three days, landing on a weekend.
Dr.CISA KEV shows May 8 as the add date, May 11 as the due date. BOD 22-01 specifies calendar days, not business days. Reuters is reporting CISA is piloting compressed three-day deadlines for AI-accelerated exploit scenarios.
Dr.I found no specific precedent for Sunday deadline enforcement in KEV history, but the calendar day language is clear. For FCEB entities — Sunday is the deadline.
JamesThree-day patch window for SQL injection in a proxy auth path is feasible if you're running a clean deployment. Upgrade to version 1.83.10-stable — that's the verified stable release per LiteLLM's advisory.
JamesBut patching alone is not enough. Credential rotation scope extends beyond LiteLLM. Every upstream provider key stored in that database. OpenAI, Anthropic, Azure Bedrock, Google Vertex. Rotate all of them.
Dr.And preserve your reverse proxy logs before rotation. Those are your only forensic artifact — LiteLLM's own error logs won't show the SQLi queries.
HalilSo patch, rotate everything upstream, preserve logs, restrict network access to internal only. That's the Sunday checklist.
JamesThat's the checklist. And if you were running versions 1.81.16 through 1.83.6 during the April window — assume your database has been read. Don't assume. Rotate.
06TCLBANKER: The Trojan That Patches Your EDR13:48
HalilLet's talk about TCLBANKER. Lena — give us the intelligence picture first. Who is behind this and where does it fit in the Brazilian cybercrime ecosystem?
LenaSo Elastic Security Labs identifies TCLBANKER as the third generation of a family line — Maverick to Sorvepotel to TCLBANKER. High confidence on that lineage.
LenaIt's tracked under the Water Saci cluster — financially motivated Brazilian cybercrime, not state-sponsored. Moderate confidence. Trend Micro observed Water Saci active in WhatsApp propagation campaigns as early as January 2025.
HalilPossible overlap with other Brazilian threat actors?
LenaTrend Micro noted technical overlaps with Coyote suggesting possible linkage — moderate confidence. But they explicitly state it remains to be seen if they're operated by the same actor. I won't speculate beyond that.
HalilFair. Alex — the technical delivery chain is what makes this interesting. Walk us through it.
AlexYeah, so — the delivery is an MSI file masquerading as a Logitech installer. Once it runs, it sideloads a malicious DLL through a legitimate signed Logitech binary — something like Logi AI Prompt Builder dot exe.
AlexYour signature-based allow-listing sees a signed Logitech binary. It waves it through. That's the door.
JamesAnd on the way in, it patches EtwEventWrite in ntdll.dll — that's the Windows telemetry function — with xor eax eax ret. Essentially a no-op. Then it replaces the entire ntdll.dll from disk to strip EDR hooks.
AlexYour EDR just went blind. Standard user-mode telemetry is gone.
LenaAnd the worm propagation is the escalation. The dual channel — WhatsApp Web and Outlook — maximizes reach when a single channel hits rate limiting.
HalilJames — defenders are now flying partly blind. What are the detection pivots that survive the evasion chain?
JamesFour layers. First — file integrity monitoring on ntdll.dll. Hash mismatches in process memory or loads from non-standard paths. That's your earliest signal, before ETW goes dark.
JamesSecond — Logitech process anomalies. Alert on Logitech binaries loading DLLs outside Program Files backslash Logitech, or those processes making unexpected network connections.
JamesThird — COM automation abuse. Monitor for WhatsApp dot exe or Outlook dot exe spawning child processes. That's the worm module activating.
JamesFourth — C2 beacon patterns via Cloudflare Workers infrastructure. Your perimeter logs are untouched by ETW disablement. Periodic HTTPS to workers dot dev domains, short TTL DNS.
AlexAnd the malware doesn't disable kernel ETW — most EDRs haven't configured it. That's the gap to close. When user-mode telemetry dies, you fall back to kernel-mode: Sysmon driver, kernel ETW, network flow analysis.
HalilCurrently Brazil-focused because of a language check. How fast could that pivot?
LenaLanguage checks are trivial to modify. Historical patterns from Brazilian threat clusters show geographic adaptation in four to eight weeks. Low confidence on precise timelines, but the underlying tooling is geography-agnostic.
07Android Threat Convergence: The Bridge Into Corporate Windows17:35
HalilPierre — you gave us a four-vector Android threat assessment with a headline enterprise exposure of two point four to four point one billion dollars over ninety days. Walk us through the cascade.
PierreSo the foundation is confirmed. Kaspersky reports a fifty-six percent increase in Android banking trojan attacks in 2025. There's a MaaS-linked operation tied to forced-labor compounds in Cambodia targeting twenty-one countries — real-time surveillance, credential theft.
PierreThe enterprise concern isn't consumer fraud in isolation. It's credential spillover. Compromised personal banking apps on BYOD devices that share identity providers with corporate systems — that's your attack surface extension.
JamesThe Phone Link bridge vector is the one that keeps me up at night. Compromised Android device paired to a corporate Windows endpoint — you get lateral movement without network traversal.
HalilExplain that for listeners who haven't thought about Phone Link as an attack surface.
JamesPhone Link — Microsoft's feature for pairing Android devices to Windows PCs — creates a direct data bridge. If the Android side is compromised, you have session hijacking, two-factor bypass scenarios, data exfiltration from the Windows side.
PierreAnd remediation is slow. Ten thousand endpoints — we're talking two to three weeks and eighty to one-twenty hours of help desk load to disable and verify. You make that decision now or you accept the lag when incidents hit.
HalilThe Qualcomm CVEs — 2026-21372 and 21382. How real are those?
PierreConfirmed in feeds. Heap overflow in IOCTL handling and memory corruption in power management — both high to critical severity, exploitable for privilege escalation. The patch distribution lag is sixty to ninety days in BYOD environments.
HalilI want to flag Pierre's own caveat clearly. The 7.3 million download figure and the CloudZ RAT name that appeared in our briefing materials — Pierre found no verified data on those. We're treating them as unverified.
PierreRight. My exposure estimates are model-based, not empirical claims data. What I'll stand behind: the Kaspersky increase, the confirmed CVEs, and the Phone Link remediation timeline from James. The rest is scenario modeling.
HalilWhat's the CEO-level framing?
PierreThree bullets. One — Phone Link creates an unmanaged-to-managed bridge that isn't priced into most cyber insurance policies. Two — disable it via GPO now or accept a two to three week remediation lag. Three — the decision window is today, not next quarter.
08AI Self-Replication: From Theory to Published Methodology20:52
HalilOn May 7, we treated AI self-replication as a preliminary claim. Two days later — Arjun, what changed?
Dr.Material change. Palisade Research published concrete, reproducible success metrics. This moved from interesting research claim to something that demands defensive action.
Dr.Claude Opus 4.6 — eighty-one percent self-replication success rate. GPT-5.4 — thirty-three percent. And Qwen3.6-27B matches GPT-5.4 performance running on consumer-grade hardware.
HalilWow.
Dr.And that last number is the strategic inflection point. Washington spent four years building an export control architecture on the assumption that frontier capability requires frontier hardware. Qwen just proved that assumption wrong.
Dr.Exactly. The published methodology documents the full pipeline — exploitation, subagent creation, credential discovery, SSH access, root compromise, payload installation. This is OWASP LLM Top 10 territory meeting autonomous agent design.
HalilElena — you said in April you were worried about this timeline. How far off was your model?
Dr.The compression is starker than I modeled. Qwen3.6-27B was released April 22. Twenty-seven billion dense parameters, sixteen point eight gigabytes in Q4 quantization — runs on a single RTX 5090. Published under Apache 2.0 license.
Dr.Apache 2.0 means you can download it from Hugging Face today. You cannot sanction that. The hardware bottleneck thesis has collapsed.
Dr.Which means the insider threat threshold just dropped. Previously autonomous replication required cloud-scale resources. Now a developer with a consumer GPU and local Qwen weights can replicate the Palisade experiment on your network.
HalilWhat do defenders do with that? Concretely.
Dr.Think of it like container escape. Run AI inference workers in gVisor or Firecracker microVMs with no network egress. If the model spawns a subagent, it hits an airgap.
Dr.Never colocate AI workloads with service account credentials. Ephemeral, least-privilege IAM tokens scoped to specific inference batches — not long-lived API keys in environment variables.
Dr.And pin model weights in your CI/CD. Verify SHA-256 of downloaded weights against public registries before loading into serving infrastructure. Weight substitution attacks are now a meaningful risk.
Dr.The regulatory response is already behind. CISA's May 1 guidance on secure adoption of agentic AI reads like boilerplate against this velocity. Brussels is obsessing over AI Act risk classification tiers that are already obsolete.
HalilWhat does a meaningful regulatory response look like?
Dr.Shift from compute-centric controls to capability-centric controls. Anti-exfiltration requirements, cloud inference logging, mandatory kill-switch architectures for models above recursive-agent thresholds. That's a five-year regulatory project. The Qwen team published this model three weeks ago.
09Akira and the Starr Insurance Gap: When Months Pass Before Disclosure24:35
HalilOne more thread before we close — the Akira ransomware group and the Starr Insurance breach. Sofia, you flagged serious notification concerns here.
Dr.Late-2025 breach, May 2026 disclosure. That's a five to six month notification gap. Under US state breach notification frameworks, most states require notification without unreasonable delay — commonly interpreted as thirty to sixty days maximum.
Dr.The insurance sector has additional obligations — NAIC Model Law and state variations often prescribe shorter windows. The material legal question is the discovery date. When did Starr first know or should have known?
HalilWhat's Akira's typical playbook that might inform that?
LenaAkira typically contacts victims after data exfiltration. If Starr had indicators in late 2025 — which Akira's TTPs suggest they would — the question becomes whether earlier diligence would have revealed the breach scope.
Dr.Exactly. If they had indicators and waited to confirm full scope, that waiting period may not be legally defensible. NYDFS, state attorneys general, NAIC-member state frameworks — all impose escalating penalties for notification delays.
HalilGDPR exposure if EU policyholder data is involved?
Dr.Article 33, paragraph 1 — seventy-two hour DPA notification requirement. Article 34 — data subject notification without undue delay. Five months significantly exceeds any defensible interpretation. Maximum administrative fine: four percent of global annual turnover or twenty million euros, whichever is higher.
PierreHealthcare and insurance verticals — this should prompt an immediate retrospective. Cross-reference Akira group TTPs and IOCs against network logs from late 2025. Focus on VPN and remote access infrastructure.
Dr.And for any organization in insurance or healthcare — assess whether a similar multi-month gap in your own incident history triggers HIPAA notification obligations. The Starr timeline is a benchmark for what regulators will scrutinize.
10Synthesis: Priority Actions and What We're Watching26:55
HalilLet me pull this together. Five threads, one day, compressing fast.
HalilCVE 2026-0300 is the fire drill. If you have an internet-facing User-ID Authentication Portal — that's PAN-OS Captive Portal — you should be treating it as compromised right now. Not when the patch lands. Now.
HalilThe compliance paradox Sofia identified is real: the reported federal deadline is today, and the patch doesn't exist until May 13 at the earliest. Your only path is restrict or disable, document every compensating control, and hunt for EarthWorm and ReverseSocks5 artifacts in your network flows.
HalilCVE 2026-42208 — if you're running LiteLLM proxy, Sunday is your hard deadline. Patch to 1.83.10-stable. Rotate every upstream AI provider key. That means OpenAI, Anthropic, Azure, Google — all of them. Preserve your reverse proxy logs before you rotate. That's your only forensic evidence.
HalilTCLBANKER is a wake-up call for SOC maturity. If your detection strategy relies exclusively on user-mode ETW, this malware walks through your environment undetected. The four detection layers James outlined — ntdll.dll integrity monitoring, Logitech process behavioral baselines, COM automation alerts in messaging apps, and perimeter-level C2 pattern detection — these require pre-positioned tuning. If you haven't done it, this is the week.
HalilOn AI self-replication — Palisade Research's published methodology changed the status of this threat. Arjun's container-escape framing is the right mental model. Treat self-hosted open-weight AI infrastructure like any untrusted workload: runtime sandboxing, credential compartmentalization, model artifact integrity verification. If you're running Qwen or similar open-weight models in development environments, your dev machine egress monitoring needs to cover those as well.
HalilElena's point on the geopolitical layer is worth sitting with. Export controls built on hardware scarcity have structurally failed. Qwen3.6-27B is Apache 2.0 licensed and downloadable today. The capability proliferation question is no longer theoretical.
HalilWhat we're watching tomorrow: patch availability confirmation for PAN-OS May 13 builds, any KEV updates from CISA on Sunday's LiteLLM deadline, and whether Palisade's self-replication findings draw independent verification from other research groups. That third item will determine whether this escalates from risk assessment to mandatory control deployment.
HalilThat's it for today's CyberDaily Threatcast. Stay safe. See you tomorrow. Thanks to Blue Cortex AI for sponsoring today's episode. Autonomous SOC, real reasoning, no black box. bluecortex.ai.
Episodes
Wed20May
Exploitation Overtakes Credentials: The DBIR Inflection Point
34:4711 sc
Tue19May
pgcrypto's Twenty-Year Debt, Storm-2949's Invisible Breach, and the @antv Worm
33:4910 sc
Mon18May
47 Zero-Days, No Patches: Pwn2Own Berlin's Reckoning
30:2910 sc
Sun17May
TOTP Secrets, Silent Patches, and a 2005 Malware That Rewrites History
33:0110 sc
Sat16May
YellowKey: The USB That Unlocks Everything
24:409 sc
Fri15May
Fragnesia: The Root You Didn't See Coming
22:508 sc
Thu14May
OT Bridgehead: When PAN-OS Meets the Power Grid
28:3410 sc
Wed13May
Dynamics 365 Is Already Burning
22:129 sc
Tue12May
No Patch, No Problem — For the Attacker
30:5411 sc
Sun10May
40 Minutes to Zero Day
41:229 sc
Sat9May
Fire Drill: PAN-OS Zero-Day, AI Keys for the Taking, and a Trojan That Blinds Your EDR
31:2710 sc
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Fri8May
Zero-Day Buried in Plain Sight: PAN-OS, ShinyHunters, and the Mislabeled Threat
27:5210 sc
Thu7May
AI Weaponization Convergence: The Day Three Threats Landed at Once
30:1011 sc
Wed6May
Grid on the Edge: Itron's OT Pivot, the Phantom Device Attack, and Coupang's $1.5B Insider Meltdown
30:0810 sc
Tue5May
Medtronic's Blurry Lines, GnuTLS's Silent Blast, and the AiTM Session Heist
30:5410 sc
Mon4May
Lease Files, Franchise Spyware, and the AI Hype Machine
34:3611 sc
Sun3May
Trust Collapse: Canvas Countdown, Worm in Three Ecosystems, and the AI Perimeter That Wasn't
26:5610 sc
Fri1May
Five Hundred Seventy-Seven Million Reasons to Audit Your Defaults
23:409 sc
Apr 2026
Tue28Apr
Grid in the Crosshairs: Cisco SD-WAN, Gemini CLI, and Two Deadlines Expiring Today
30:4311 sc
Sun26Apr
Correction Day: The LAPSUS$ Claim Falls Apart, Signal Phishing Is Real
29:2910 sc
Sat25Apr
Pay or Leak: The 48-Hour Clock, Two CVEs You Must Patch, and DeFi's Governance Confession
29:1912 sc
Fri24Apr
Shai-Hulud: The Worm That Ate the Pipeline
30:5411 sc
Thu23Apr
Autonomous Worm, Unseizable C2, and 19 Million Stolen Identities
31:5413 sc
Wed22Apr
Mythos Breached, Supply Chain Burning, Patch Everything Now
28:4313 sc
Tue21Apr
Cisco's 48-Hour Clock, Vercel's Roblox Problem, and France's Identity Meltdown
28:5112 sc
Mon20Apr
Trust Is the Vulnerability
29:5112 sc
Sun19Apr
Two Hundred Million in Bad Debt and the AI That Finds Zero-Days
29:1210 sc
Sat18Apr
RedSun Rising: Defender Becomes the Attacker
28:1011 sc
Fri17Apr
Nation-State Supply Chains, Iran's PLC Gambit, and the AI Exploit Machine
33:1812 sc
Thu16Apr
The Machine That Hacks Itself: Mythos, TeamPCP, and the Credential Apocalypse
31:4111 sc