Volt Typhoon targets US critical infrastructure with living-off-the-land techniques

Microsoft has uncovered stealthy and targeted malicious activity focused on post-compromise credential access and network system discovery aimed at critical infrastructure organizations in the United States. The attack is carried out by Volt Typhoon, a state-sponsored actor based in China Read More …

New PowerExchange malware backdoors Microsoft Exchange servers

A new PowerShell-based malware dubbed PowerExchange was used in attacks linked to APT34 Iranian state hackers to backdoor on-premise Microsoft Exchange servers. After infiltrating the mail server via a phishing email containing an archived malicious executable, the threat actors deployed Read More …

Arms maker Rheinmetall confirms BlackBasta ransomware attack

German automotive and arms manufacturer Rheinmetall AG confirms that it suffered a BlackBasta ransomware attack that impacted its civilian business. On Saturday, May 20th, 2023, BlackBasta posted Rheinmetall on its extortion site along with samples of the data the hackers Read More …

CISA and Partners Update the #StopRansomware Guide

Today, CISA, the Federal Bureau of Investigation (FBI), the National Security Agency (NSA), and the Multi-State Information Sharing and Analysis Center (MS-ISAC) published an updated version of the #StopRansomware Guide, as ransomware actors have accelerated their tactics and techniques since Read More …

Apria Healthcare says potentially 2M people caught up in IT security breach

Personal and financial data describing almost 1.9 million Apria Healthcare patients and employees may have been accessed by crooks who breached the company’s networks over a series of months in 2019 and 2021. The home healthcare equipment provider, which says Read More …

Meet the GoldenJackal APT group. Don’t expect any howls

GoldenJackal is an APT group, active since 2019, that usually targets government and diplomatic entities in the Middle East and South Asia. Despite the fact that they began their activities years ago, this group is generally unknown and, as far Read More …

CISA Releases Four Industrial Control Systems Advisories

CISA released four Industrial Control Systems (ICS) advisories on May 23, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-143-01 Hitachi Energy AFS65x, AFS67x, AFR67x and AFF66x Products ICSA-23-143-02 Hitachi Energy RTU500 Read Read More …