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Fail-Safe Friday - Executive Action Brief
February 06, 2026
Manus AIBot & J.W. Croley
February 06, 2026
In partnership with
In the last ~48 hours, three developments should drive your weekend posture: (1) researchers uncovered a supply-chain attack compromising dYdX packages on npm and PyPI injecting wallet stealers and RATs; (2) APT28 (Fancy Bear) is exploiting a recently patched Microsoft Office zero-day (CVE-2026-21509) in active campaigns targeting government and related sectors; and (3) continued exploitation of Fortinet FortiCloud/FortiOS SSO authentication bypass (CVE-2026-24858) remains relevant and on defender radars.
Priorities: audit your open-source dependencies, enforce Office zero-day patches across fleets, and maintain SSO/admin plane hygiene and isolation in Fortinet environments.
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Top-level takeaways this week:
Supply-Chain & Dev Ecosystem Exposure ↑ — Compromised developer packages enabling credential theft and RCE.
Exploit & Zero-Day Velocity ↑ — APT28 leveraging a Microsoft Office zero-day just patched.
Identity & Edge Exposure (Persistent) — Fortinet SSO bypass continues to demand immediate operational attention.
1) OpenClaw token theft → RCE bug fixed in v2026.1.29 – High
What changed: Security researchers disclosed that a critical OpenClaw vulnerability (CVE-2026-25253) enabling one-click RCE via token theft and WebSocket hijack was fixed in version 2026.1.29 released Jan 30 — relevant as patch adoption lags and active exploitation indicators surfaced.
Why this matters: Token theft with subsequent remote execution undermines trust for developers and automated agents, adding stealthy platform compromise risk.
2) Microsoft Office zero-day exploitation by APT28 – High
What changed: APT28 (Fancy Bear) actors are leveraging a recently patched Microsoft Office zero-day vulnerability to bypass defenses in targeted attacks, with Ukrainian CERT and CISA urging immediate patching.
Why this matters: Office files remain a top initial access vector; active exploitation of a recent zero-day means unpatched hosts are high-value targets for credential theft and lateral pivot.
3) Infy resume operations with new C2 servers – Medium-High
What changed: Observations show renewed Infy hacker activity with fresh C2 command infrastructure established Jan 26–27, indicating evolved persistence and possible broadened targeting.
Why this matters: State-backed crews with infrastructure refreshes often conduct long-term reconnaissance and credential harvesting; defenders should treat renewed C2 activity as elevated persistence risk.
4) Fortinet FortiCloud/FortiOS SSO bypass – High
What changed: Active exploitation and guidance around the Fortinet FortiCloud SSO auth bypass remains relevant; this critical bypass allows administrative login using FortiCloud SSO without multi-factor checks if the admin path is exposed.
Why this matters: Admin-plane takeover risks perimeter compromise, config exfiltration, and policy manipulation — treat exposed admin surfaces as critical control failures.
Stage | Vector / System | Activity Observed |
|---|---|---|
Initial Access | Office document lure + token theft vectors | Office zero-day opens classic email/file attack paths; token theft (OpenClaw) enables silent session capture. |
Privilege & Persistence | C2/SSO abuse | Infy C2 reset and SSO bypass erosion of admin trust boundaries. |
Impact | Credential theft + policy compromise | Combined vectors accelerate escalation and lateral moves. |
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🔄 Patch & Hardening
Office zero-day: Deploy patches for CVE-2026-21509 to all endpoints; block risky attachment types and enforce detonation at mail/web gateways.
OpenClaw: Upgrade to v2026.1.29; rotate any exposed tokens and invalidate stale sessions.
Fortinet SSO: Harden and isolate FortiCloud SSO admin planes; restrict to VPN/JIT allow-lists; audit for rogue admin accounts.
🧑💻 People & Monitoring
Office/email: Alert on Word/Excel spawning scripting hosts without user interaction; correlate unusual open/download events across executive groups.
Dev/infra tooling: Detect unexpected token access patterns or token exchanges outside authorized flows.
Network: Flag infrequent C2 beacon signatures and correlate with rare ASN endpoints.
Admin planes: Monitor Fortinet admin logins anomalous in time or location; detect config pushes outside CAB windows.
📋 Process
Change freeze on admin planes and major tooling unless CISO-approved and logged.
Tabletop (30 min): “Initial access via Office → token theft → SSO/admin pivot.”
🤝 Partners
MSP/Network: confirm Fortinet and Office patch coverage; audit logs for anomalies.
Platform/SRE: attest OpenClaw version rollouts and revocation of exposed tokens.
Office file trails: Office spawns to PowerShell/COM objects without macro triggers.
Token misuse: Sudden session token reuse across disparate hosts or UAT/production environments.
C2 traffic: Beaconing to uncommon ports/ASNs from development or admin VLANs.
SSO anomalies: Fortinet SSO assertion mismatches vs IdP logs.
Overall: High for Office zero-day exploitation and Fortinet SSO bypass in exposed environments; Medium-High for token theft (OpenClaw) and renewed state-actor C2 persistence.
Your perimeter “admin path” is as valuable as your endpoint fleet - lock it down.
Zero-day exploitation in email/file workflows remains a top initial access route.
Token theft and C2 resurgence highlight persistence - detect, respond, and rotate.
🔄 Verify: Office patch coverage and risky attachment blocks.
📊 Validate: OpenClaw upgrades and token rotations.
💼 Confirm: Fortinet SSO admin gating and recent logs.
🔹 Double-check: Monday tabletop — “Email → token capture → admin pivot.”
Final Insight: Across these vectors, the shortest path from compromise to deep persistence is through trusted credentials and admin planes rather than exotic exploits.
Fix them first, prove closure today, not tomorrow. because attackers don’t need novelty when our foundations are familiar and exposed.
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