Security Event
PHP2Shell
PHP2Shell Exploitation Attempts Observed
PHP2Shell scanning began before official disclosure. F5 Labs examines the first 24 hours of activity, exploit attempts, and what defenders need to know.
AI Security Insights
AI
Unprompted: When AI Agents Expose Data Without an Attacker
Four new incidents, and CASI/ARS Score updates
Report
Encryption
2026 State of PQC on the Web
Explore F5 Labs’ 2026 PQC report: adoption trends, CDN dependence, TLS technical debt, certificate risks, and steps toward quantum resilience.
Weekly Threat Bulletin
OSINT
Weekly Threat Bulletin – October 21st, 2026
These are the top threats you should know about this week.
All F5 Labs Content
Vulnerability Trends
A by-the-numbers breakdown from the latest threat intelligence
Sensor Intel Series: Data From September 2026
Hundreds of apps will be attacked by the time you read this.
So, we get to work. We obsess over effective attack methods. We monitor the growth of IoT and its evolving threats. We dive deep into the latest crypto-mining campaigns. We analyze banking Trojan targets. We dissect exploits. We hunt for the latest malware. And then our team of experts share it all with you. For more than 20 years, F5 has been leading the app delivery space. With our experience, we are passionate about educating the security community—providing the intel you need to stay informed so your apps can stay safe.
Every
9 hrs
a critical vulnerability—with the potential for remote code execution—is released.