Security Affairs

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Cisco Smart Licensing Utility flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Cisco Smart Licensing Utility vulnerability, tracked as CVE-2024-20439, to its Known Exploited Vulnerabilities (KEV) catalog. Last week, Cisco disclosed two vulnerabilities in its Smart Licensing Utility: CVE-2024-20439, […]

Russia-linked Gamaredon targets Ukraine with a phishing campaign using troop-related lures to deploy the Remcos RAT via PowerShell downloader. Talos researchers warn that Russia-linked APT group Gamaredon (a.k.a. Armageddon, Primitive Bear, ACTINIUM, Callisto) targets Ukraine with a phishing campaign. The cyberespionage group is behind a long series of spear-phishing attacks targeting Ukrainian entities, and organizations related […]

CoffeeLoader is a sophisticated malware that uses numerous techniques to bypass security solutions, Zscaler ThreatLabz warns. Zscaler ThreatLabz discovered CoffeeLoader, a malware family active since September 2024, that uses multiple techniques to evade endpoint security while downloading second-stage payloads. The advanced techniques used by the malware include GPU-based packing, call stack spoofing, sleep obfuscation, and […]

Morphing Meerkat phishing kits exploit DNS MX records to deliver spoofed login pages, targeting over 100 brands. Infoblox researchers discovered a new phishing-as-a-service (PhaaS) platform that generated multiple phishing kits, called Morphing Meerkat, using DNS mail exchange (MX) records to deliver fake login pages and targeting over 100 brands. Threat actors are exploiting DNS techniques […]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warns of RESURGE malware, targeting a vulnerability in Ivanti Connect Secure (ICS) appliances. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) published a Malware Analysis Report (MAR) on a new malware called RESURGE. The malicious code has been used in attacks targeting the flaw CVE-2025-0282 in Ivanti Connect […]

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Microsoft Trusted Signing service abused to code-sign malware Shedding light on the ABYSSWORKER driver  VSCode Marketplace Removes Two Extensions Deploying Early-Stage Ransomware New Android Malware Campaigns Evading Detection Using Cross-Platform Framework .NET MAUI   Raspberry Robin: Copy […]

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. FBI and DOJ seize $8.2 Million in romance baiting crypto fraud scheme Experts warn of the new sophisticate […]

The Walmart-owned membership warehouse club chain Sam’s Club is investigating claims of a Cl0p ransomware security breach. Sam’s Club is a membership warehouse club chain in the United States, owned by Walmart. Founded in 1983 by Sam Walton, Walmart’s founder, as Sam’s Wholesale Club, it was renamed Sam’s Club in 1990. These stores operate on a bulk […]

The U.S. DOJ seized over $8.2 million in USDT stolen through ‘romance baiting’ scams, where victims are tricked into fake investments promising high returns. On February 27, 2025, the U.S. Attorney’s Office in Ohio filed a civil forfeiture complaint for $8.2M in USDT (Tether) linked to a ‘romance baiting’ scam. Fraudsters used anonymous messaging apps […]

The new Android trojan Crocodilus exploits accessibility features to steal banking and crypto credentials, mainly targeting users in Spain and Turkey. ThreatFabric researchers discovered a new Android trojan called Crocodilus, which exploits accessibility features to steal banking and crypto credentials. “Crocodilus enters the scene not as a simple clone, but as a fully-fledged threat from […]

Grandoreiro Banking Trojan resurfaces, targeting users in Latin America and Europe in new phishing campaigns. Forcepoint X-Labs researchers warn of new phishing campaigns targeting Latin America and Europe in new phishing campaigns. The Trojan has been active since 2016, it initially targeted Brazil but expanded to Mexico, Portugal, and Spain since 2020. Grandoreiro is a modular […]

Russian authorities arrested three suspects for developing Mamont, a newly identified Android banking trojan. Russian authorities arrested three suspects in Saratov for developing Mamont (Russian for mammoth), a recently discovered Android banking trojan. “Three Saratov residents are suspected of fraud and unauthorized access to computer information. Officers from the fraud prevention department of PJSC Sberbank […]

Mozilla addressed a critical vulnerability, tracked as CVE-2025-2857, impacting its Firefox browser for Windows. Mozilla has released security updates to address a critical flaw, tracked as CVE-2025-2857, impacting its Firefox browser for Windows. Recently, Google addressed a similar vulnerability, tracked as CVE-2025-2783, in Chrome that has been actively exploited in the wild as a zero-day. […]

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Google Chromium Mojo flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Google Chromium Mojo sandbox escape vulnerability, tracked as CVE-2025-2783, to its Known Exploited Vulnerabilities (KEV) catalog. This week Google has released out-of-band fixes to address a high-severity security […]

Cybercriminals are exploiting the popularity of DeepSeek by using fake sponsored Google ads to distribute malware. While DeepSeek is rising in popularity, threat actors are attempting to exploit it by using fake sponsored Google ads to distribute malware, Malwarebytes researchers warn. Crooks are using DeepSeek as a lure to trap unsuspecting Google searchers. “Unfortunately, we […]

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Sitecore CMS and XP, and GitHub Action flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added [1,2] the following vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog: CVE-2019-9875 (CVSS score of 8.8) is a Deserialization of Untrusted Data in the anti […]

Arkana Security, a new ransomware group, claims to have breached the telecommunications provider WideOpenWest (WOW!). The new ransomware group Arkana Security claims to have hacked US telecom provider WOW!, stealing customer data. WideOpenWest (WOW!) is a US-based telecommunications company that provides broadband internet, cable TV, and phone services. It operates mainly in the Midwest and […]

New ReaderUpdate malware variants, now written in Crystal, Nim, Rust, and Go, targets macOS users, SentinelOne warns. SentinelOne researchers warn that multiple versions of the ReaderUpdate malware written in Crystal, Nim, Rust, and Go programming languages, are targeting macOS users. ReaderUpdate is a macOS malware loader that has been active since 2020, the malicious code […]

Resecurity found an LFI flaw in the leak site of BlackLock ransomware, exposing clearnet IPs and server details. Resecurity has identified a Local File Include (LFI) vulnerability in Data Leak Site (DLS) of BlackLock Ransomware.  Cybersecurity experts were able to exploit misconfiguration in vulnerable web-app used by ransomware operators to publish victims’ data – leading […]

Google fixed a flaw in the Chrome browser for Windows that was actively exploited in attacks targeting organizations in Russia. Google has released out-of-band fixes to address a high-severity security vulnerability, tracked as CVE-2025-2783, in Chrome browser for Windows. The flaw was actively exploited in attacks targeting organizations in Russia. The vulnerability is an incorrect handle […]