Cybercrime

Pierluigi Paganini January 27, 2025
ESXi ransomware attacks use SSH tunnels to avoid detection

Threat actors behind ESXi ransomware attacks target virtualized environments using SSH tunneling to avoid detection. Researchers at cybersecurity firm Sygnia warn that threat actors behind ESXi ransomware attacks target virtualized environments using SSH tunneling to avoid detection. Ransomware groups are exploiting unmonitored ESXi appliances to persist and access corporate networks. They use “living-off-the-land” techniques, leveraging […]

Pierluigi Paganini January 26, 2025
Change Healthcare data breach exposed the private data of over half the U.S.

The Change Healthcare data breach is worse than initially estimated: approximately 190 million people have been affected. The Change Healthcare data breach is worse than initially estimated, the incident has impacted 190 million people. In October 2024, UnitedHealth Group announced that the data breach suffered by Change Healthcare in February 2024 impacted more than 100 million individuals. […]

Pierluigi Paganini January 26, 2025
SECURITY AFFAIRS MALWARE NEWSLETTER – ROUND 30

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape. Gmail For Exfiltration: Malicious npm Packages Target Solana Private Keys and Drain Victims’ Wallets       Threat Bulletin: Weaponized Software Targets Chinese-Speaking Organizations  Mass Campaign of Murdoc Botnet Mirai: A New Variant of Corona Mirai   Sophos MDR […]

Pierluigi Paganini January 26, 2025
Security Affairs newsletter Round 508 by Pierluigi Paganini – INTERNATIONAL EDITION

A new round of the weekly SecurityAffairs newsletter arrived! Every week the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. Subaru Starlink flaw allowed experts to remotely hack cars Participants in the Pwn2Own Automotive 2025 earned $886,250 U.S. […]

Pierluigi Paganini January 23, 2025
U.S. President Donald Trump granted a “full and unconditional pardon” to Ross Ulbricht, Silk Road creator

Donald Trump pardoned Ross Ulbricht, creator of the notorious dark web, drug marketplace Silk Road , after 11 years in prison. Donald Trump pardoned Ross Ulbricht, creator of Silk Road, who was convicted in 2015 for narcotics and money-laundering conspiracy and sentenced to life. In October 2013, the FBI shut down the popular black market Silk […]

Pierluigi Paganini January 22, 2025
Two ransomware groups abuse Microsoft’s Office 365 platform to gain access to target organizations

Two ransomware groups exploiting Microsoft 365 services and default settings to target internal enterprise users. Sophos researchers started investigating two distinct clusters of activity, tracked as STAC5143 and STAC5777, in response to customer ransomware attacks in November and December 2024. Threat actors used their own Microsoft 365 tenants and exploited a default Teams setting allowing […]

Pierluigi Paganini January 22, 2025
Cloudflare blocked a record-breaking 5.6 Tbps DDoS attack

Cloudflare announced that it has blocked a record-breaking 5.6 terabit-per-second (Tbps) distributed denial-of-service (DDoS) attack. Cloudflare announced that during the week of Halloween 2024, it autonomously detected and blocked a 5.6 Terabit per second (Tbps) DDoS attack, which is the largest attack ever reported. The previous largest DDoS attack blocked by Cloudflare occurred in October […]

Pierluigi Paganini January 21, 2025
Former CIA analyst pleaded guilty to leaking top-secret documents

A former CIA analyst, Asif William Rahman, pleaded guilty to leaking top-secret National Defense Information on social media in 2024. Asif William Rahman, a former CIA analyst with Top-Secret clearance since 2016, pleaded guilty to leaking classified information on social media in October 2024. Rahman has access to Sensitive Compartmented Information (SCI). On October 17, […]

Pierluigi Paganini January 21, 2025
New Mirai botnet variant Murdoc Botnet targets AVTECH IP cameras and Huawei HG532 routers

Researchers warn of a campaign exploiting AVTECH IP cameras and Huawei HG532 routers to create a Mirai botnet variant called Murdoc Botnet. Murdoc Botnet is a new Mirai botnet variant that targets vulnerabilities in AVTECH IP cameras and Huawei HG532 routers, the Qualys Threat Research Unit reported. The botnet has been active since at least […]

Pierluigi Paganini January 20, 2025
HPE is investigating IntelBroker’s claims of the company hack

HPE is probing claims by the threat actor IntelBroker who is offering to sell alleged stolen source code and data from the company. Last week, the notorious threat actor IntelBroker announced on a popular cybercrime forum the sale of data allegedly stolen from HPE. IntelBroker, known for leaking data from major organizations, made the headlines […]