Dec 22, 2023NewsroomThreat Intelligence / Supply Chain Attack Organizations in the Defense Industrial Base (DIB) sector are in the crosshairs of an Iranian threat actor as part of a campaign designed to deliver a never-before-seen backdoor called FalseFont. The findings come from Microsoft, which is tracking the activity under its weather-themed moniker Peach Sandstorm (formerly […]
Dec 11, 2023NewsroomThreat Intelligence / Cyber Attack Tactical and targeting overlaps have been discovered between the enigmatic advanced persistent threat (APT) called Sandman and a China-based threat cluster that’s known to use a backdoor known as KEYPLUG. The assessment comes jointly from SentinelOne, PwC, and the Microsoft Threat Intelligence team based on the fact that […]
Nov 24, 2023NewsroomThreat Analysis / Dark Web More details have emerged about a malicious Telegram bot called Telekopye that’s used by threat actors to pull off large-scale phishing scams. “Telekopye can craft phishing websites, emails, SMS messages, and more,” ESET security researcher Radek Jizba said in a new analysis. The threat actors behind the operation […]
Nov 22, 2023NewsroomThreat Analysis / Vulnerability Multiple threat actors, including LockBit ransomware affiliates, are actively exploiting a recently disclosed critical security flaw in Citrix NetScaler application delivery control (ADC) and Gateway appliances to obtain initial access to target environments. The joint advisory comes from the U.S. Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of […]
Nov 20, 2023NewsroomThreat Analysis / Malware Phishing campaigns delivering malware families such as DarkGate and PikaBot are following the same tactics previously used in attacks leveraging the now-defunct QakBot trojan. “These include hijacked email threads as the initial infection, URLs with unique patterns that limit user access, and an infection chain nearly identical to what […]
Nov 11, 2023NewsroomThreat Intelligence / Cybercrime A sub-cluster within the infamous Lazarus Group has established new infrastructure that impersonates skills assessment portals as part of its social engineering campaigns. Microsoft attributed the activity to a threat actor it calls Sapphire Sleet, describing it as a “shift in the persistent actor’s tactics.” Sapphire Sleet, also called […]
Nov 02, 2023NewsroomThreat Intelligence / Vulnerability Cybersecurity researchers are warning of suspected exploitation of a recently disclosed critical security flaw in the Apache ActiveMQ open-source message broker service that could result in remote code execution. “In both instances, the adversary attempted to deploy ransomware binaries on target systems in an effort to ransom the victim […]
Oct 25, 2023NewsroomThreat Intelligence / Vulnerability The threat actor known as Winter Vivern has been observed exploiting a zero-day flaw in Roundcube webmail software on October 11, 2023, to harvest email messages from victims’ accounts. “Winter Vivern has stepped up its operations by using a zero-day vulnerability in Roundcube,” ESET security researcher Matthieu Faou said […]
Oct 12, 2023NewsroomThreat Intelligence / Microsoft on Wednesday said that a user containment feature in Microsoft Defender for Endpoint helped thwart a “large-scale remote encryption attempt” made by Akira ransomware actors targeting an unknown industrial organization in early June 2023. The tech giant’s threat intelligence team is tracking the operator as Storm-1567. The attack leveraged […]