Skip to content

DEV Community

Excession Labs

Penetration testing and AI red teaming.

Excession Labs is a security lab. We run authorized penetration tests and AI red teaming for web apps, APIs and AI products.

excessionlabs.ai Joined on Nov 11, 2026 [email protected]

Vladimir Osipov

Nov 15

MCP security: a vulnerable MCP server you can run, with three flaws and their fixes

#security #mcp #ai #appsec

9 min read

Vladimir Osipov

Nov 14

Does SOC 2 require a penetration test? What the criteria say

#security #compliance #soc2 #pentesting

9 min read

Vladimir Osipov

Nov 13

Vulnerability assessment vs penetration testing: what two scanners found in 27 known flaws

#testing #devops #security #appsec

10 min read

Vladimir Osipov

Nov 12

How well do prompt injection defenses work? 1,800 trials, 4 defenses, 3 models

#security #ai #llm #appsec

8 min read

Vladimir Osipov

Nov 11

ReDoS: catastrophic backtracking in a regex input check

#security #webdev #appsec #regex

8 min read

Vladimir Osipov

Nov 11

Race condition vulnerability in a single-use coupon endpoint

#security #webdev #appsec #concurrency

8 min read

Vladimir Osipov

Nov 11

SQL injection example: login bypass and UNION reads on a local API

#security #webdev #appsec #sql

8 min read

Vladimir Osipov

Nov 11

IDOR vulnerability: a local example with PUT and DELETE

#security #webdev #appsec #idor

7 min read

loading...