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CISA Warns of Intensifying Ransomware Threat
CISA, the FBI, and international partners warned that ransomware groups are increasingly diversifying and targeting a wider range of organizations.
Microsoft to Block Macros by Default in Office Apps
Microsoft is blocking macros by default for Office, which it hopes will make abuse by cybercriminals more difficult.
Collaboration Key to Log4j Response
The cooperative efforts of the private sector and CISA's Joint Cyber Defense Collaborative helped limit the damage of the recent Log4j vulnerability.
DoJ Seizes $3.6 Billion in Bitcoin Stolen From Bitfinex Hack
U.S. officials arrested two individuals and seized $3.6 billion in bitcoin related to the 2016 Bitfinex hack.
Microsoft Details Malware Attacks on Ukrainian Organizations
Microsoft said the Actinium threat group (also known as Gamaredon) has been observed targeting government, military and law enforcement organizations in Ukraine with spear-phishing emails.