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Browser extensions: Will you ever look at them the same again?

Matthew Westwood-Hill
2026-10-14 9:00 am
Breakout
Hacking, Red Teaming
Initial Access and Exploitation

A working proof-of-concept extension with minimal declared permissions exfiltrates page content undetected, exposing weaknesses in store review trust.

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Matthew Westwood-Hill, a CISO and DFIR practitioner researching AI tooling, leads a workshop and presents on MCP tool responses and risky browser extensions.
Matthew Westwood-Hill
CISO
Cognisn
Matthew Westwood-Hill, a CISO and DFIR practitioner researching AI tooling, leads a workshop and presents on MCP tool responses and risky browser extensions.

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