Security News
How can blue teams remove the attackers' edge by turning data into visualizations? Understand relationships between your data points. By understanding the relationships between pairs of these data points, we can automate the construction of a relationship tree between all of them.
Microsoft has added command-and-control traffic detection capabilities to its Microsoft Defender for Endpoint enterprise endpoint security platform.The C2 connections are detected by the Defender for Endpoint's Network Protection agent by mapping the outbound connection's IP address, port, hostname, and other values with data from Microsoft Cloud.
Microsoft says tamper protection will soon be turned on by default for all enterprise customers in Microsoft Defender for Endpoint for better defense against ransomware attacks.Once toggled on, it locks Microsoft Defender Antivirus to secure default values and will prevent any security settings changes.
A bad Microsoft Defender signature update mistakenly detects Google Chrome, Microsoft Edge, Discord, and other Electron apps as 'Win32/Hive. The issue started Sunday morning when Microsoft pushed out Defender signature update 1.373.1508.0 to include two new threat detections, including Behavior:Win32/Hive.
7-Eleven Denmark has confirmed that a ransomware attack was behind the closure of 175 stores in the country on Monday. An automotive supplier had its systems breached and files encrypted by three different ransomware gangs over two weeks in May, two of the attacks happening within just two hours.
Microsoft has released new Windows 11 builds to the Beta Channel with improved Microsoft Defender for Endpoint ransomware attack blocking capabilities. "We enhanced Microsoft Defender for Endpoint's ability to identify and intercept ransomware and advanced attacks," Microsoft's Amanda Langowski and Brandon LeBlanc said.
A threat actor associated with the LockBit 3.0 ransomware-as-a-service operation has been observed abusing the Windows Defender command-line tool to decrypt and load Cobalt Strike payloads. "Once initial access had been achieved, the threat actors performed a series of enumeration commands and attempted to run multiple post-exploitation tools, including Meterpreter, PowerShell Empire, and a new way to side-load Cobalt Strike," researchers Julio Dantas, James Haughom, and Julien Reisdorffer said.
Microsoft Defender Experts for Hunting, a new managed security service for Microsoft 365 Defender customers, is now generally available. Microsoft's security experts will use Defender data for threat investigation and to provide customers with remediation instructions, as well as help deploy threat hunting across all Microsoft 365 Defender products within hours, according to Redmond.
A threat actor associated with the LockBit 3.0 ransomware operation is abusing the Windows Defender command line tool to load Cobalt Strike beacons on compromised systems and evade detection by security software. Security solutions have become better at detecting Cobalt Strike beacons, causing threat actors to look for innovative ways to deploy the toolkit.
A threat actor associated with the LockBit 3.0 ransomware operation is abusing the Windows Defender command line tool to load Cobalt Strike beacons on compromised systems and evade detection by security software. Security solutions have become better at detecting Cobalt Strike beacons, causing threat actors to look for innovative ways to deploy the toolkit.