October 03, 2019

PDF encryption standard weaknesses uncovered

Researchers have discovered weaknesses in PDF encryption which could be exploited to reveal the plaintext contents of a file to an attacker.

Naked Security

July 18, 2019

A new Equation Editor exploit goes commercial, as maldoc attacks using it spike

Weaponized RTF documents adopt CVE-2018-0798, another Equation Editor vulnerability

SophosLabs UncutThreat Research

March 05, 2019

GandCrab 101: All about the most widely distributed ransomware of the moment

In this Sophos101 report, we'll give you the lowdown on what you need to know about this, unfortunately, widely disseminated malware.

SophosLabs UncutThreat Research

March 05, 2019

Emotet 101, stage 5: a delivery vehicle for more malware

SophosLabs UncutThreat Research

March 05, 2019

Emotet 101, stage 4: command and control

SophosLabs UncutThreat Research

March 05, 2019

Emotet 101, stage 3: The Emotet executable

SophosLabs UncutThreat Research

March 05, 2019

Emotet 101, stage 2: The malicious attachment and killchain

SophosLabs UncutThreat Research

March 05, 2019

Emotet 101, stage 1: The spam lure

SophosLabs UncutThreat Research

March 01, 2019

Data-tracking Chrome flaw triggered by viewing PDFs

Researchers have spotted an unusual ‘trackware’ attack triggered by a viewing a PDF inside the Chrome browser.

Naked Security