Security News

Researchers Uncover How Outlook Vulnerability Could Leak Your NTLM Passwords
2024-01-29 13:31

A now-patched security flaw in Microsoft Outlook could be exploited by threat actors to access NT LAN Manager (NTLM) v2 hashed passwords when opening a specially crafted file. The issue, tracked...

Beware: Experts Reveal New Details on Zero-Click Outlook RCE Exploits
2023-12-18 15:43

Technical details have emerged about two now-patched security flaws in Microsoft Windows that could be chained by threat actors to achieve remote code execution on the Outlook email service sans...

Microsoft seizes domains used to sell fraudulent Outlook accounts
2023-12-13 23:45

Microsoft's Digital Crimes Unit seized multiple domains used by a Vietnam-based cybercrime group that registered over 750 million fraudulent accounts and raked in millions of dollars by selling them online to other cybercriminals. Storm-1152 is a major cybercrime-as-a-service provider and the number one seller of fraudulent Outlook accounts, as well as other illegal "Products," including an automatic CAPTCHA-solving service to bypass Microsoft's CAPTCHA challenges and register more fraudulent Microsoft email accounts.

Microsoft: Outlook email sending issues for users with lots of folders
2023-12-08 18:46

Microsoft has acknowledged a new issue affecting Outlook for Microsoft 365 users and causing email-sending problems for those with too many nested folders. While Microsoft is currently investigating this newly acknowledged issue, it also provided affected customers with some tips to workaround the email sending problems.

Russian hackers use old Outlook vulnerability to target Polish orgs (CVE-2023-23397)
2023-12-05 14:45

Russian state-backed hacking group Forest Blizzard has been using a known Microsoft Outlook vulnerability to target public and private entities in Poland, Polish Cyber Command has warned. The attacks were further analyzed by Polish Cyber Command, who confirmed that the threat actors have been gaining access to email accounts within Microsoft Exchange servers and modifying folder permissions within the victim's mailbox.

Microsoft Warns of Kremlin-Backed APT28 Exploiting Critical Outlook Vulnerability
2023-12-05 06:59

Microsoft on Monday said it detected Kremlin-backed nation-state activity exploiting a critical security flaw in its Outlook email service to gain unauthorized access to victims' accounts within...

Microsoft fixes Outlook Desktop crashes when sending emails
2023-12-04 21:30

Microsoft has fixed a known issue causing Outlook Desktop clients to crash when sending emails from Outlook.com accounts. The known issue only impacts Outlook for Microsoft 365 users and those in the Current Channel channel using Outlook build 17029.

Russian hackers exploiting Outlook bug to hijack Exchange accounts
2023-12-04 20:14

Microsoft's Threat Intelligence team issued a warning earlier today about the Russian state-sponsored actor APT28 actively exploiting the CVE-2023-23397 Outlook flaw to hijack Microsoft Exchange accounts and steal sensitive information. The tech giant also highlighted the exploitation of other vulnerabilities with publicly available exploits in the same attacks, including CVE-2023-38831 in WinRAR and CVE-2021-40444 in Windows MSHTML. Outlook flaw exploitation background.

2024 cybersecurity outlook: The rise of AI voice chatbots and prompt engineering innovations
2023-12-04 04:30

In their 2024 cybersecurity outlook, WatchGuard researchers forecast headline-stealing hacks involving LLMs, AI-based voice chatbots, modern VR/MR headsets, and more in the coming year. During 2024, the WatchGuard Threat Lab predicts that a smart prompt engineer whether a criminal attacker or researcher will crack the code and manipulate an LLM into leaking private data.

Microsoft shares temp fix for Outlook crashes when sending emails
2023-11-28 19:01

Today, Microsoft shared a temporary fix for a known issue causing Outlook Desktop to crash when sending emails from Outlook.com accounts. These problems only affect Outlook for Microsoft 365 users and those in the Current Channel channel using Outlook build 17029.