Chioma Ibeakanma's blog
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Exploiting Weak JWT HMAC Secrets: From Account Takeover to Admin Privilege Escalation

Sep 1, 20245 min read

Weak JWT HMAC secrets are like leaving your front door key under the mat—easy for attackers to find and exploit. In today’s applications, JWTs are...

Exploiting Weak JWT HMAC Secrets: From Account Takeover to Admin Privilege Escalation

Portswigger Lab: Exploiting LLM APIs with Excessive Agency.

Mar 19, 20242 min read

Excessive Agency is the 8th of the OWASP Top Ten LLM vulnerabilities. Every LLM-based system has a degree of agency granted by its developer....

Portswigger Lab: Exploiting LLM APIs with Excessive Agency.