March 15, 2021

Naked Security Live – HAFNIUM explained in plain English

Latest episode - watch now!

Naked Security

March 15, 2021

DearCry ransomware attacks exploit Exchange server vulnerabilities

Perhaps not by coincidence, the ransomware's file encryption methodology mimics that of WannaCry.

SophosLabs UncutThreat Research

March 12, 2021

DearCry ransomware: what it is and how to stop it

Products & Services

March 11, 2021

S3 Ep23: Hafnium happenings, I see you, and Pythonic poison [Podcast]

New episode - listen now! (And find out what HAFNIUM really stands for.)

Naked Security

March 09, 2021

Serious Security: Webshells explained in the aftermath of HAFNIUM attacks

Webshells explained, with some (safe) examples you can try at home if you want to learn more.

Naked Security

March 09, 2021

Critical updates dominate March, 2021 Patch Tuesday releases

Fixes urgently required for DNS and Exchange servers, as well as for all desktop Windows machines

SophosLabs UncutThreat Research

March 08, 2021

Protecting Sophos customers from HAFNIUM

Sophos customers are protected from the exploitation of the new zero-day vulnerabilities affecting Microsoft Exchange.

Products & Services

March 05, 2021

HAFNIUM: Advice about the new nation-state attack

Products & Services