Microsoft Entra ID Primary Refresh Tokens (PRTs) are an attractive target for threat actors because they are long-lived, they are broadly scoped and they often don’t have additional multifactor authentication requirements after they are obtained. In this blog, we will discuss what PRTs are, how they are issued and how recently released research gives threat attackers a new way … [Read more...] about Detecting Microsoft Entra ID Primary Refresh Token Abuse with Next-Gen SIEM
Abuse
Hackers Abuse EDRSilencer Tool to Bypass Security and Hide Malicious Activity
Oct 16, 2024Ravie LakshmananEndpoint Security / Malware Threat actors are attempting to abuse the open-source EDRSilencer tool as part of efforts to tamper endpoint detection and response (EDR) solutions and hide malicious activity. Trend Micro said it detected "threat actors attempting to integrate EDRSilencer in their attacks, repurposing it as a means of evading … [Read more...] about Hackers Abuse EDRSilencer Tool to Bypass Security and Hide Malicious Activity
Ransomware Attackers Abuse Genshin Impact Anti-Cheat System to Disable Antivirus
A vulnerable anti-cheat driver for the Genshin Impact video game has been leveraged by a cybercrime actor to disable antivirus programs to facilitate the deployment of ransomware, according to findings from Trend Micro. The ransomware infection, which was triggered in the last week of July 2022, banked on the fact that the driver in question ("mhyprot2.sys") is signed with a … [Read more...] about Ransomware Attackers Abuse Genshin Impact Anti-Cheat System to Disable Antivirus
Hackers Abuse Mitel Devices to Amplify DDoS Attacks by 4 Billion Times
Threat actors have been observed abusing a high-impact reflection/amplification method to stage sustained distributed denial-of-service (DDoS) attacks for up to 14 hours with a record-breaking amplification ratio of 4,294,967,296 to 1. The attack vector – dubbed TP240PhoneHome (CVE-2022-26143) – has been weaponized to launch significant DDoS attacks targeting broadband access … [Read more...] about Hackers Abuse Mitel Devices to Amplify DDoS Attacks by 4 Billion Times
Iranian Hackers Abuse Dropbox in Cyberattacks Against Aerospace and Telecom Firms
Details have emerged about a new cyber espionage campaign directed against the aerospace and telecommunications industries, primarily in the Middle East, with the goal of stealing sensitive information about critical assets, organizations' infrastructure, and technology while remaining in the dark and successfully evading security solutions. Boston-based cybersecurity company … [Read more...] about Iranian Hackers Abuse Dropbox in Cyberattacks Against Aerospace and Telecom Firms
Apple Delays Plans to Scan Devices for Child Abuse Images After Privacy Backlash
Apple is temporarily hitting the pause button on its controversial plans to screen users' devices for child sexual abuse material (CSAM) after receiving sustained blowback over worries that the tool could be weaponized for mass surveillance and erode the privacy of users. "Based on feedback from customers, advocacy groups, researchers, and others, we have decided to take … [Read more...] about Apple Delays Plans to Scan Devices for Child Abuse Images After Privacy Backlash
Apple to Scan Every Device for Child Abuse Content — But Experts Fear for Privacy
Apple on Thursday said it's introducing new child safety features in iOS, iPadOS, watchOS, and macOS as part of its efforts to limit the spread of Child Sexual Abuse Material (CSAM) in the U.S. To that effect, the iPhone maker said it intends to begin client-side scanning of images shared via every Apple device for known child abuse content as they are being uploaded into … [Read more...] about Apple to Scan Every Device for Child Abuse Content — But Experts Fear for Privacy
Feds Shut Down Largest Dark Web Child Abuse Site; South Korean Admin Arrested
The United States Department of Justice said today that they had arrested hundreds of criminals in a global crackdown after taking down the largest known child porn site on the dark web and tracing payments made in bitcoins.With an international coalition of law enforcement agencies, federal officials have arrested the administrator of the child sexual abuse site, 23-year-old … [Read more...] about Feds Shut Down Largest Dark Web Child Abuse Site; South Korean Admin Arrested