Security News
A Russian hacking group tracked as TA473, aka 'Winter Vivern,' has been actively exploiting vulnerabilities in unpatched Zimbra endpoints since February 2023 to steal the emails of NATO officials, governments, military personnel, and diplomats. Today, Proofpoint has published a new report on how the threat actor exploits CVE-2022-27926 on Zimbra Collaboration servers to access the communications of NATO-aligned organizations and persons.
Webinar Business email compromise is possibly the worst of cybercrimes because it abuses trust. It feeds on relationships carefully nurtured over decades and erodes a confidence which is foundational to cooperation, and progress.
Microsoft aims to make it impossible for unsupported and/or unpatched on-prem Microsoft Exchange servers to use the company's Exchange Online hosted cloud service to deliver email. Blocking potentially malicious emails from reaching Exchange Online.
Microsoft is introducing a new Exchange Online security feature that will automatically start throttling and eventually block all emails sent from "Persistently vulnerable Exchange servers" 90 days after the admins are pinged to secure them.It will also be able to throttle and eventually block emails from Exchange servers that haven't been remediated before reaching Exchange Online mailboxes.
The Federal Bureau of Investigation is warning companies in the U.S. of threat actors using tactics similar to business email compromise that allow less technical actors to steal various goods from vendors. Typical business email compromise attacks focus on stealing money by tricking the victim into diverting funds to the fraudster's account.
A joint cybersecurity advisory from the German Federal Office for the Protection of the Constitution and the National Intelligence Service of the Republic of Korea warn about Kimsuky's use of Chrome extensions to steal target's Gmail emails. Kimsuky is a North Korean threat group that uses spear phishing to conduct cyber-espionage against diplomats, journalists, government agencies, university professors, and politicians.
Amid all of the buzz around ChatGPT and other artificial intelligence apps, cybercriminals have already started using AI to generate phishing emails. In the end, human-generated phishing mails caught more victims than did those created by ChatGPT. Specifically, the rate in which users fell for the human-generated messages was 4.2%, while the rate for the AI-generated ones was 2.9%. That means the human social engineers outperformed ChatGPT by around 69%. One positive outcome from the study is that security training can prove effective at thwarting phishing attacks.
An open source adversary-in-the-middle phishing kit has found a number of takers in the cybercrime world for its ability to orchestrate attacks at scale. DEV-1101, per the tech giant, is said to be the party behind several phishing kits that can be purchased or rented by other criminal actors, thereby reducing the effort and resources required to launch a phishing campaign.
Microsoft's Security Intelligence team recently investigated a business email compromise attack and found that attackers move rapidly, with some steps taking mere minutes. BEC attacks are a type of cyberattack where the attacker gains access to an email account of the target organization through phishing, social engineering, or buying account credentials on the dark web.
The Sandbox blockchain game is warnings its community that a security incident caused some users to receive fraudulent emails impersonating the game, trying to infect them with malware. The Sandbox is a blockchain-based open-world multiplayer game with over 350,000 active monthly users, offering them ways to build, own, and monetize interactive content like virtual worlds, items, and experiences.