UK and White House blame China for Microsoft Exchange Server hack

The UK government has formally laid the blame for the Microsoft Exchange Server cyberattack at the feet of China. On Monday, the government joined others — including the victim company itself, Microsoft — in claiming the cyberattack was the work Read More …

New Epsilon Red ransomware hunts unpatched Microsoft Exchange servers

A new ransomware threat calling itself Red Epsilon has been seen leveraging Microsoft Exchange server vulnerabilities to encrypt machines across the network. Epsilon Red ransomware attacks rely on more than a dozen scripts before reaching the encryption stage and also Read More …

Lemon Duck hacking group adopts Microsoft Exchange Server vulnerabilities in new attacks

Researchers have explored the latest activities of the Lemon Duck hacking group, including the leverage of Microsoft Exchange Server vulnerabilities and the use of decoy top-level domains. The active exploit of zero-day Microsoft Exchange Server vulnerabilities in the wild was Read More …

PoC exploit released for Microsoft Exchange bug dicovered by NSA

Technical documentation and proof-of-concept exploit (PoC) code is available for a high-severity vulnerability in Microsoft Exchange Server that could let remote attackers execute code on unpatched machines. The flaw is for one of the four that the National Security Agency Read More …

White House: Here’s what we’ve learned from tackling the SolarWinds and Microsoft Exchange Server cyber incidents

Lessons learned from responses to the SolarWinds and Microsoft Exchange cyber incidents will be used to coordinate action against future cybersecurity and hacking incidents, the White House has said. Both incidents required the United States to react to cyberattacks by Read More …