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Security Awareness – Threat Actors Exploit Microsoft Teams to Deliver Malware

Threat actors have been observed compromising Microsoft Team accounts to access the chat feature and then propagate malware to users in the chat, according to security researchers at Avanan. These attacks start with the threat actor uploading an executable file called “User Centric” to fool the user into executing it on their system. This issue may be exacerbated by the lack of robust security protection in Teams, including the lack of file scanning. Given the widespread use and inherent trust of Teams, users are likely to open files that have been shared.

Digital Anxiety Increasing Among Workforce, according to New Survey

The practice of working from home has been a blessing and a curse for many, but according to a recent survey, working remotely may be increasing digital anxiety among workers. Analysis from cybersecurity firm F-Secure reveals that 67 percent of remote workers reported they increasingly worry about their online security and privacy. This is not totally surprising, given that before working from home most individuals expected someone at their company to ensure their cybersecurity and data privacy.

FBI-USSS: Indicators of Compromise Associated with BlackByte Ransomware

The FBI and the U.S. Secret Service have published a TLP:WHITE Joint Cybersecurity Advisory providing indicators of compromise and other information concerning BlackByte ransomware. The advisory notes that since November 2021, multiple U.S. and foreign organizations have been compromised by BlackByte, including in at least three U.S. critical infrastructure sectors. BlackByte is a Ransomware as a Service (RaaS) group that encrypts files on compromised Windows hosts systems.

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