Introducing the F5 Labs Weekly Threat Bulletin
F5 Labs’ Weekly Threat Bulletin delivers fast, AI‑driven insights on emerging cyber threats with IoCs, mitigation tips, and expert‑validated guidance.
F5 Labs
Weekly Threat Bulletin – January 21st, 2026
3 days 13 hours ago
These are the top threats you should know about this week.
Analyzing React2Shell Threat Actors
1 week 1 day ago
Sensor Intel Series: December CVE-2025-55182 Trends
When AI Gets Bullied: How Agentic Attacks Are Replaying Human Social Engineering
1 week 4 days ago
AI Security Insights – January 2026
2026 Cybersecurity Predictions
1 month 1 week ago
Whatever you think will happen… will happen faster and with more acronyms than ever before.
Adversarial Poetry and the Efficacy of AI Guardrails
1 month 1 week ago
We investigate the rise of adversarial poetry in AI security. Understand how metaphor-based exploits circumvent guardrails and the defenses we need for LLMs moving forward.
ShellShock Makes a Comeback and RondoDox Changes Tactics
1 month 2 weeks ago
Legacy bugs continue to serve attackers.
HashJack Attack Targets AI Browsers and Agentic AI Systems
1 month 2 weeks ago
A new wave of client-side attacks bypasses enterprise defenses.
Fallacy Failure Attack
1 month 4 weeks ago
AI Security Insights for November 2025
Tracking RondoDox: Malware Exploiting Many IoT Vulnerabilities
2 months ago
Over a dozen exploits were used to target IoT devices.
Analysis of a Large-Scale DDoS Attack Against a Payment Processing Platform
2 months ago
The two-wave attack reached a peak of 1.8 Tbps.
Introducing the CASI Leaderboard
3 months 3 weeks ago
Explore the new AI security index for emerging trends in AI security.
Introducing the CASI Leaderboard
3 months 4 weeks ago
Explore the new AI security index for emerging trends in AI security.
More Mozilla User-Agents, Please: a Deep Dive into an Inadvertent Disclosure Scanner
4 months 1 week ago
Sensor Intel Series: September 2025 Trends
More Mozilla User-Agents, Please: a Deep Dive into an Inadvertent Disclosure Scanner
4 months 1 week ago
Sensor Intel Series: September 2025 Trends
The Prevalence of Web-Based RCE Vulnerabilities
4 months 4 weeks ago
Sensor Intel Series: July 2025 CVE Trends
The Prevalence of Web-Based RCE Vulnerabilities
4 months 4 weeks ago
Sensor Intel Series: July 2025 CVE Trends
SparkRAT: Exploiting Architectural Weaknesses in Open-Source Offensive Tools
5 months 2 weeks ago
Persistent trend in open-source offensive tooling & implications for defenders
SparkRAT: Exploiting Architectural Weaknesses in Open-Source Offensive Tools
5 months 2 weeks ago
Persistent trend in open-source offensive tooling & implications for defenders
NoBooze1 Malware Targets TP-Link Routers via CVE-2019-9082
6 months 1 week ago
Sensor Intel Series: July 2025 CVE Trends
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4 hours 24 minutes ago
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