US Cyber Command issues alert about hackers exploiting Outlook vulnerability

US Cyber Command has issued an alert via Twitter today about threat actors abusing an Outlook vulnerability to plant malware on government networks. The vulnerability is CVE-2017-11774, a security bug that Microsoft patched in Outlook in the October 2017 Patch Tuesday. The Outlook Read More …

May’s Patch Tuesday Include Fixes for ‘Wormable’ Flaw in Windows XP, Zero-Day Vulnerability

Microsoft’s May security release includes updates for 80 vulnerabilities for a number of Microsoft products, including a security update for unsupported operating systems such as Windows XP and Server 2003 not included in the mainstream customer support notification. Of the security vulnerabilities fixed in Read More …

Microsoft Edge and Internet Explorer Zero-Days Allow Access to Confidential Session Data

On March 30th, security researcher James Lee disclosed information on two zero-day vulnerabilities present in current versions of Microsoft Edge and Internet Explorer. These vulnerabilities make it possible for confidential information to be shared between websites. A flaw in the same-origin policy Read More …

The fourth horseman: CVE-2019-0797 vulnerability

The new zero-day in the Windows OS exploited in targeted attacks In February 2019, our Automatic Exploit Prevention (AEP) systems detected an attempt to exploit a vulnerability in the Microsoft Windows operating system. Further analysis of this event led to Read More …

GandCrab ransomware and Ursnif virus spreading via MS Word macros

Security researchers have discovered two separate malware campaigns, one of which is distributing the Ursnif data-stealing trojan and the GandCrab ransomware in the wild, whereas the second one is only infecting victims with Ursnif malware. Though both malware campaigns appear to be a work Read More …

LCG Kit: Sophisticated builder for Malicious Microsoft Office Documents

Proofpoint researchers discovered “LCG Kit,” a weaponized document builder service, in March 2018.  Since we began tracking LCG Kit, we have observed it using the Microsoft Equation Editor CVE-2017-11882 [1] exploit in various forms. More recently, its authors have integrated Read More …

For the fourth month in a row, Microsoft patches Windows zero-day used in the wild

Today, Microsoft released its monthly security patches –known as the Patch Tuesday updates. This month the Redmond-based company fixed 38 vulnerabilities across a large set of products. For the fourth month in a row, Microsoft patched a Windows OS zero-day Read More …