Security News
A new phishing campaign is abusing Microsoft Teams messages to send malicious attachments that install the DarkGate Loader malware. The campaign started in late August 2023, when Microsoft Teams phishing messages were seen being sent by two compromised external Office 365 accounts to other organizations.
This collaborative endeavor has now welcomed a new addition - the Cyber Threat Intelligence search engine Criminal IP - into PolySwarm's expansive detection engine network. Criminal IP's expertise is set to amplify the aggregation and validation of critical threat data.
August 2023 Patch Tuesday is here; among the 76 CVE-numbered issues fixed by Microsoft this time around is a DoS vulnerability in. There is a Microsoft Office "Defense in Depth Update" available that, according to Microsoft, stops the attack chain leading to CVE-2023-36884, a Windows Search RCE vulnerability that has been previously exploited by Russian hackers in targeted attacks.
An infamous Kremlin-backed gang has been using Microsoft Teams chats in attempts to phish marks in governments, NGOs, and IT businesses, according to the Windows giant. In its latest crime spree, a crew that Microsoft Threat Intelligence now tracks as Midnight Blizzard uses previously compromised Microsoft 365 tenants to create domains that masquerade as organizations offering tech support.
Pen testing helps to identify security flaws in your IT infrastructure before threat actors can detect and exploit them. Here, we outline key factors to consider before, during, and post the penetration testing process.
An APT group linked to Russia’s Foreign Intelligence Service has hit employees of several dozen global organizations with phishing attacks via Microsoft Teams, says Microsoft. A social engineering...
Microsoft on Wednesday disclosed that it identified a set of highly targeted social engineering attacks mounted by a Russian nation-state threat actor using credential theft phishing lures sent as Microsoft Teams chats. Microsoft said the campaign, observed since at least late May 2023, affected less than 40 organizations globally spanning government, non-government organizations, IT services, technology, discrete manufacturing, and media sectors.
Microsoft says a hacking group tracked as APT29 and linked to Russia's Foreign Intelligence Service targeted dozens of organizations worldwide, including government agencies, in Microsoft Teams phishing attacks. These new domains were part of the 'onmicrosoft.com' domain, a legitimate Microsoft domain that is automatically used by Microsoft 365 for fallback purposes in case a custom domain is not created.
Microsoft patches four exploited zero-days, but lags with fixes for a fifthFor July 2023 Patch Tuesday, Microsoft has delivered 130 patches; among them are four for vulnerabilites actively exploited by attackers, but no patch for CVE-2023-36884, an Office and Windows HTML RCE vulnerability exploited in targeted attacks aimed at defense and government entities in Europe and North America. Apple pushes out emergency fix for actively exploited zero-dayApple has patched an actively exploited zero-day vulnerability by releasing Rapid Security Response updates for iPhones, iPads and Macs running the latest versions of its operating systems.
A tool that automates the delivery of malware from external attackers to target employees' Microsoft Teams inbox has been released. TeamsPhisher is a Python-based tool created by US Navy read teamer Alex Reid that allows attackers to deliver attachments to Microsoft Teams users.