Jeffrey

[un]prompted 2026 – The Hard Part Isn’t Building The Agent: Measuring Effectiveness

[un]prompted 2026 – Guardrails Beyond Vibes

AndyC 6 April 2026

Author, Creator & Presenter: Jeffrey Zhang, Security Engineer, Stripe & Siddh Shah, Software Engineer, Stripe Our thanks to prompted...

Smashing Security podcast #453: The Epstein Files didn’t hide this hacker very well

AndyC 5 February 2026

Supposedly redacted Jeffrey Epstein files can still reveal exactly who they’re talking about – especially when AI, LinkedIn, and a...

DOJ releases details alleged talented hacker working for Jeffrey Epstein

AndyC 1 February 2026

DOJ releases details alleged talented hacker working for Jeffrey Epstein Pierluigi Paganini January 31, 2026 An FBI informant said in...

The calm before the ransom: What you see is not all there is

AndyC 1 May 2026

Ransomware A breach claims the systems as well as the confidence that was, in retrospect, a major vulnerability Tomáš Foltýn 24 Apr 2026 • ,...

The calm before the ransom: What you see is not all there is

AndyC 1 May 2026

Ransomware A breach claims the systems as well as the confidence that was, in retrospect, a major vulnerability Tomáš Foltýn 24 Apr 2026 • ,...

GopherWhisper: A burrow full of malware

AndyC 1 May 2026

ESET Research ESET Research has discovered a new China-aligned APT group that we’ve named GopherWhisper, which targets Mongolian governmental institutions Eric Howard 23 Apr 2026...

GopherWhisper: A burrow full of malware

AndyC 1 May 2026

ESET Research ESET Research has discovered a new China-aligned APT group that we’ve named GopherWhisper, which targets Mongolian governmental institutions Eric Howard 23 Apr 2026...

New NGate variant hides in a trojanized NFC payment app

AndyC 1 May 2026

ESET Research has discovered a new variant of the NGate malware family that abuses a legitimate Android application called HandyPay, instead of the previously leveraged...

New NGate variant hides in a trojanized NFC payment app

AndyC 1 May 2026

ESET Research has discovered a new variant of the NGate malware family that abuses a legitimate Android application called HandyPay, instead of the previously leveraged...