teams (4)

13105282855?profile=RESIZE_400xThe Black Basta group is a Ransomware-as-a-Service (RaaS) provider that has been in operation since at least April of 2022.  The group is believed to be comprised of former members of the ransomware groups Conti and REvil.  The reason for this belief is driven by several factors, such as the similarities in their tactics and their rapid integration into the cybercriminal ecosystem.

Black Basta is credited as having victimized over 500 organizations.  In the first quarter of 2024, the group had c

12374281897?profile=RESIZE_400xAttackers are abusing Microsoft Teams to send phishing messages, according to researchers at AT&T Cybersecurity.  “While most end users are well-acquainted with the dangers of traditional phishing attacks, such as those delivered via email or other media, a large proportion are likely unaware that Microsoft Teams chats could be a phishing vector,” the researchers write.  “Most Teams activity is intra-organizational, but Microsoft enables External Access by default, which allows members of one or

12185092076?profile=RESIZE_400xMicrosoft reported on 02 August 2023 that they caught a known Russian government-linked hacking group using its Microsoft Teams chat app to phish for credentials at targeted organizations.  According to a research report from their Threat Intelligence team, the hacking team is linked to the Foreign Intelligence Service of the Russian Federation (also known as the SVR) and has been caught targeting government, non-government organizations (NGOs), IT services, technology, discrete manufacturing, a

12127048899?profile=RESIZE_400xDuring their test, researchers from JUMPSEC managed to trick Microsoft Teams’ security mechanism into sending malware to the organization’s inbox by making it think that an external user was internal.

JUMPSEC’s Red Team members have discovered a security vulnerability in the External Tenants feature of Microsoft Teams that allows malware to be directly delivered to an organization’s employees.  Attackers can inject malware into any system that uses Microsoft Teams’ default configurations and lev