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A Brazilian threat actor is targeting more than 30 Portuguese financial institutions with information-stealing malware as part of a long-running campaign that commenced in 2021. "The attackers can steal credentials and exfiltrate users' data and personal information, which can be leveraged for malicious activities beyond financial gain," SentinelOne researchers Aleksandar Milenkoski and Tom Hegel  said  in a new report shared with The Hacker News. The cybersecurity firm, which began tracking "Operation Magalenha" earlier this year, said the intrusions culminate in the deployment of two variants of a backdoor called  PeepingTitle  so as to "maximize attack potency." The links to Brazil stem from the use of the Brazilian-Portuguese language within the detected artifacts as well as source code overlaps with another banking trojan known as  Maxtrilha , which was first disclosed in September 2021. PeepingTitle, like Maxtrilha, is written in the Delphi...

In today's digital landscape, browser security has become an increasingly pressing issue, making it essential for organizations to be aware of the latest threats to browser security. That's why the Browser Security platform LayerX is hosting  a webinar  featuring guest speaker Paddy Harrington, a senior analyst at Forrester and the lead author of Forrester's browser security report "Securing The Browser In The World Of Anywhere Work ". During this webinar, Harrington will join LayerX CEO, to discuss the emergence of the browser security category, the browser security risk and threat landscape, and why addressing browser security can wait no longer. The webinar will also cover browser security solutions, explaining their pros, cons, and differences, and how organizations can work more securely in the browser. Additionally, the session will focus on using browser security solutions as a cost-saver for security teams. Participants will also get an exclusive opport...

The threat actors behind the nascent  Buhti  ransomware have eschewed their custom payload in favor of leaked LockBit and Babuk ransomware families to strike Windows and Linux systems. "While the group doesn't develop its own ransomware, it does utilize what appears to be one custom-developed tool, an information stealer designed to search for and archive specified file types," Symantec  said  in a report shared with The Hacker News. The cybersecurity firm is tracking the cybercrime group under the name  Blacktail . Buhti was first highlighted by Palo Alto Networks Unit 42 in February 2023,  describing  it as a Golang ransomware targeting the Linux platform. Later that same month, Bitdefender revealed the use of a Windows variant that was deployed against Zoho ManageEngine products that were vulnerable to critical remote code execution flaws ( CVE-2022-47966 ). The operators have since been observed swiftly exploiting other severe bugs impacting I...

A stealthy China-based group managed to establish a persistent foothold into critical infrastructure organizations in the U.S. and Guam without being detected,  Microsoft  and  the "Five Eyes" nations  said on Wednesday. The tech giant's threat intelligence team is tracking the activity, which includes post-compromise credential access and network system discovery, under the name  Volt Typhoon . The state-sponsored actor is  geared  towards espionage and information gathering, with the cluster active since June 2021 and obscuring its intrusion footprint by taking advantage of tools already installed or built into infected machines. Some of the prominent sectors targeted include communications, manufacturing, utility, transportation, construction, maritime, government, information technology, and education. The company further assessed with moderate confidence that the campaign is "pursuing development of capabilities that could disrupt critical c...

The Iranian threat actor known as  Agrius  is leveraging a new ransomware strain called Moneybird in its attacks targeting Israeli organizations. Agrius, also known as Pink Sandstorm (formerly Americium), has a  track record  of staging destructive data-wiping attacks aimed at Israel under the guise of ransomware infections. Microsoft has attributed the threat actor to Iran's Ministry of Intelligence and Security (MOIS), which also operates  MuddyWater . It's known to be active since at least December 2020. In December 2022, the hacking crew was  attributed  to a set of attempted disruptive intrusions that were directed against diamond industries in South Africa, Israel, and Hong Kong. These attacks involved the use of a .NET-based wiper-turned-ransomware called  Apostle  and its successor known as Fantasy. Unlike Apostle, Moneybird is programmed in C++. "The use of a new ransomware, written in C++, is noteworthy, as it demonstrates th...