Pentesting, with proof

Field notes on AI pentesting, exploit validation and application security, from the team behind Vulnix.

Latest field notes

Dot, the Vulnix character, stands over a bug knocked flat on its back beside a bounty ticket reading €3,000 PAID

Field notes

Our agent harness's first day on Intigriti: an RCE

Oct 21, 2026

A scanner robot stamps a building's locked front door PASSED, while the side door stands wide open under a NOT SCANNED sign and Dot, the Vulnix character, winks from the doorway

Pentesting fundamentals

Priced Like a Scanner, Works Like a Pentester

Oct 6, 2026

A login form with an open padlock and an ACCESS GRANTED banner above it, and Dot, the Vulnix character, winking beside it

Pentesting fundamentals

What Is AI Penetration Testing? How Autonomous Pentesting Works, and Where It Stops

Oct 2, 2026

A friendly sparring match in a boxing ring: a coding-agent robot throws a jab, Dot, the Vulnix character, hops clear of it with a wink, and a second robot holds up a Round 1 card

AI and application security

Can Claude Code or Codex Replace a Pentest? What Coding Agents Prove, and What They Can't

Sep 26, 2026

Dot, the Vulnix character, carries one proven finding on its head while a scanner prints a long receipt of question marks

Pentesting fundamentals

AI Penetration Testing vs. Vulnerability Scanning: What Each Can Actually Prove

Sep 22, 2026

Dot, the Vulnix character, bounces off a brick wall whose crack is sealed in orange, with a 403 tag above

Exploit validation

How to Validate a Security Fix: Replay the Exploit Before Closing the Finding

Sep 22, 2026

Field notes

Dot, the Vulnix character, stands over a bug knocked flat on its back beside a bounty ticket reading €3,000 PAID

Field notes

Our agent harness's first day on Intigriti: an RCE

Oct 21, 2026

Pentesting fundamentals

A scanner robot stamps a building's locked front door PASSED, while the side door stands wide open under a NOT SCANNED sign and Dot, the Vulnix character, winks from the doorway

Pentesting fundamentals

Priced Like a Scanner, Works Like a Pentester

Oct 6, 2026

A login form with an open padlock and an ACCESS GRANTED banner above it, and Dot, the Vulnix character, winking beside it

Pentesting fundamentals

What Is AI Penetration Testing? How Autonomous Pentesting Works, and Where It Stops

Oct 2, 2026

Dot, the Vulnix character, carries one proven finding on its head while a scanner prints a long receipt of question marks

Pentesting fundamentals

AI Penetration Testing vs. Vulnerability Scanning: What Each Can Actually Prove

Sep 22, 2026

AI and application security

A friendly sparring match in a boxing ring: a coding-agent robot throws a jab, Dot, the Vulnix character, hops clear of it with a wink, and a second robot holds up a Round 1 card

AI and application security

Can Claude Code or Codex Replace a Pentest? What Coding Agents Prove, and What They Can't

Sep 26, 2026

Exploit validation

Dot, the Vulnix character, bounces off a brick wall whose crack is sealed in orange, with a 403 tag above

Exploit validation

How to Validate a Security Fix: Replay the Exploit Before Closing the Finding

Sep 22, 2026