Tag Microsoft Exchange

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U.S. gov’t unveils sanctions, charges, bounties on Iranian ransomware actors

Jonathan Greig September 14, 2022

U.S. gov’t unveils sanctions, charges, bounties on Iranian ransomware actors
After a sharp rise, cyber insurance rates show signs of stabilizing
Brief After a sharp rise, cyber insurance rates show signs of stabilizing

Adam Janofsky June 30, 2022

Microsoft 365, Cloudflare say service restored after outages

Jonathan Greig June 21, 2022

Microsoft 365, Cloudflare say service restored after outages
New ‘post-exploitation’ threat deployed on Microsoft Exchange servers is spotted by researchers
Brief New ‘post-exploitation’ threat deployed on Microsoft Exchange servers is spotted by researchers

Joe Warminsky May 11, 2022

Log4Shell, ProxyLogon and Atlassian bug top CISA’s list of routinely exploited vulnerabilities in 2021

Jonathan Greig April 27, 2022

Log4Shell, ProxyLogon and Atlassian bug top CISA’s list of routinely exploited vulnerabilities in 2021
Iranian state-sponsored group APT35 linked to Memento ransomware

Catalin Cimpanu February 1, 2022

Iranian state-sponsored group APT35 linked to Memento ransomware
German government warns of APT27 activity targeting local companies

Catalin Cimpanu January 26, 2022

German government warns of APT27 activity targeting local companies
Germany warns of ransomware attacks over Christmas, citing Emotet return, unpatched Exchange servers

Catalin Cimpanu December 3, 2021

Germany warns of ransomware attacks over Christmas, citing Emotet return, unpatched Exchange servers
Hackers breach corporate email servers to send spam to employees
Brief Hackers breach corporate email servers to send spam to employees

Catalin Cimpanu November 22, 2021

Windows 10, iOS 15, Ubuntu, Chrome fall at China’s Tianfu hacking contest

Catalin Cimpanu October 17, 2021

Windows 10, iOS 15, Ubuntu, Chrome fall at China’s Tianfu hacking contest
Microsoft adds novel feature to Exchange servers to allow it to deploy emergency temporary fixes
Brief Microsoft adds novel feature to Exchange servers to allow it to deploy emergency temporary fixes

Catalin Cimpanu September 27, 2021

ProxyToken vulnerability can modify Exchange server configs
Brief ProxyToken vulnerability can modify Exchange server configs

Catalin Cimpanu August 30, 2021

New LockFile ransomware gang weaponizes ProxyShell and PetitPotam attacks
Brief New LockFile ransomware gang weaponizes ProxyShell and PetitPotam attacks

Catalin Cimpanu August 22, 2021

Almost 2,000 Exchange servers hacked using ProxyShell exploit

Catalin Cimpanu August 21, 2021

Almost 2,000 Exchange servers hacked using ProxyShell exploit
US, UK, Australia issue joint advisory on today’s top exploited vulnerabilities
Brief US, UK, Australia issue joint advisory on today’s top exploited vulnerabilities

Catalin Cimpanu July 28, 2021

China accuses US of launching cyberattacks, denies Microsoft Exchange hack
Brief China accuses US of launching cyberattacks, denies Microsoft Exchange hack

Adam Janofsky July 20, 2021

White House to formally attribute Hafnium Exchange attacks ‘in the coming weeks’
Brief White House to formally attribute Hafnium Exchange attacks ‘in the coming weeks’

Catalin Cimpanu July 5, 2021

FBI, NSA: Russian military cyber-unit behind large-scale brute-force attacks

Catalin Cimpanu July 1, 2021

FBI, NSA: Russian military cyber-unit behind large-scale brute-force attacks
UK and US share more vulnerabilities exploited by Russia’s APT29 hackers

Catalin Cimpanu May 7, 2021

UK and US share more vulnerabilities exploited by Russia’s APT29 hackers
FBI operation removed web shells from hacked Exchange servers across the US

Catalin Cimpanu April 13, 2021

FBI operation removed web shells from hacked Exchange servers across the US
Pwn2Own 2021 hacking contest ends with a three-way tie

Catalin Cimpanu April 8, 2021

Pwn2Own 2021 hacking contest ends with a three-way tie
‘We’re responding in election cycles:’ Niloofar Razi Howe on the big changes needed to prevent the next SolarWinds attack

Adam Janofsky March 31, 2021

‘We’re responding in election cycles:’ Niloofar Razi Howe on the big changes needed to prevent the next SolarWinds attack