Featured Blogs
Unsubscribing From Unwanted Email Carries Risks
We all receive loads of unwanted email solicitations, warnings, and advertisements. The number can be overwhelming to the point...
Update on the Beebone Botnet Takedown
On April 8, the takedown operation for the polymorphic botnet known as Beebone successfully concluded. This action redirected traffic from...
Update: NGRBot Posing as Skype Drops Ransomware With Fake McAfee Logo
This blog was updated on October 15. See the end of this file. We recently received a sample of the...
Updated BlackEnergy Trojan Grows More Powerful
In late December, a cyberattack caused a power outage in the Ukraine, plunging hundreds of thousands of citizens into darkness...
Using Expert Rules in ENS to Prevent Malicious Exploits
Expert Rules are text-based custom rules that can be created in the Exploit Prevention policy in ENS Threat Prevention. Learn more about which threats they can help block.
Variant of Pony Botnet Pickpockets Bitcoin Users
Last month the Pony Botnet became a household name when it was revealed that it had stolen more than two...
VaultCrypt Ransomware Hides Its Traces While Stealing Web Credentials
Since the beginning of the year we have seen a spike in ransomware including the emergence of new ransomware families....
Verizon Report Foreshadows Breaches Originating With IoT Devices
This blog post was written by Rick Simon. Today, Verizon released its 2015 Data Breach Investigations Report (DBIR). As Verizon...
Vertexnet Botnet Hides Behind AutoIt
Recently we found some new malware samples using AutoIt to hide themselves. On further analysis we found that those sample...
Veterans Day U.S. – A McAfee MoM’s Reflection
By: Deb, Executive Assistant, Plano TX On Monday, November 11, the U.S. celebrates Veterans Day. We at McAfee U.S. are...
VPNFilter Botnet Targets Networking Devices
VPNFilter is a botnet with capabilities to support both intelligence collection and destructive cyberattack operations. The Cisco Talos team recently notified members of the Cyber Threat Alliance (CTA) of its findings and published this blog.
VPNFilter Malware Adds Capabilities to Exploit Endpoints
VPNFilter, a botnet-controlled malware that infects networking devices, was first documented by researchers from Cisco Talos. McAfee Labs also published...
VSkimmer Botnet Targets Credit Card Payment Terminals
April 2 This blog has been updated with McAfee’s NSP detection. See end of blog. While monitoring a Russian underground...
Vulnerability Discovery in Open Source Libraries Part 1: Tools of the Trade
Executive Summary Open source has become the foundation for modern software development. Vendors use open source software to stay competitive...
Vulnerability Discovery in Open Source Libraries: Analyzing CVE-2020-11863
Open Source projects are the building blocks of any software development process. As we indicated in our previous blog, as...
Vulnerable OpenSSL Handshake Renegotiation Can Trigger Denial of Service
OpenSSL, the popular general-purpose cryptographic library that implements SSL/TLS protocols for web authentication, has recently suffered from several vulnerabilities. We...
W97M Downloader Serves Vawtrak Malware
McAfee Labs recently found a variant of the W97M macro malware downloader that runs the Vawtrak malware. Although W97M usually...
Want to Break Into a Locked Windows 10 Device? Ask Cortana (CVE-2018-8140)
June’s “Patch Tuesday” (June 12) is here, but it is likely many Windows 10 users have not yet applied these updates.
