Cisco on Wednesday disclosed that it became aware of a new attack variant that’s designed to target devices running Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software releases that are susceptible to…
Category: The Hacker News
Trojanized ESET Installers Drop Kalambur Backdoor in Phishing Attacks on Ukraine
A previously unknown threat activity cluster has been observed impersonating Slovak cybersecurity company ESET as part of phishing attacks targeting Ukrainian entities. The campaign, detected in May 2025, is tracked by the security outfit under the moniker InedibleOchotense, describing it…
ThreatsDay Bulletin: AI Tools in Malware, Botnets, GDI Flaws, Election Attacks & More
Cybercrime has stopped being a problem of just the internet — it’s becoming a problem of the real world. Online scams now fund organized crime, hackers rent violence like a service, and even trusted apps or social platforms are turning…
From Tabletop to Turnkey: Building Cyber Resilience in Financial Services
Introduction Financial institutions are facing a new reality: cyber-resilience has passed from being a best practice, to an operational necessity, to a prescriptive regulatory requirement. Crisis management or Tabletop exercises, for a long time relatively rare in the context of…
Bitdefender Named a Representative Vendor in the 2025 Gartner® Market Guide for Managed Detection and Response
Bitdefender has once again been recognized as a Representative Vendor in the Gartner® Market Guide for Managed Detection and Response (MDR) — marking the fourth consecutive year of inclusion. According to Gartner, more than 600 providers globally claim to deliver…
Hackers Weaponize Windows Hyper-V to Hide Linux VM and Evade EDR Detection
The threat actor known as Curly COMrades has been observed exploiting virtualization technologies as a way to bypass security solutions and execute custom malware. According to a new report from Bitdefender, the adversary is said to have enabled the Hyper-V…
SonicWall Confirms State-Sponsored Hackers Behind September Cloud Backup Breach
SonicWall has formally implicated state-sponsored threat actors as behind the September security breach that led to the unauthorized exposure of firewall configuration backup files. “The malicious activity – carried out by a state-sponsored threat actor – was isolated to the…
Google Uncovers PROMPTFLUX Malware That Uses Gemini AI to Rewrite Its Code Hourly
Google on Wednesday said it discovered an unknown threat actor using an experimental Visual Basic Script (VB Script) malware dubbed PROMPTFLUX that interacts with its Gemini artificial intelligence (AI) model API to write its own source code for improved obfuscation…
Researchers Find ChatGPT Vulnerabilities That Let Attackers Trick AI Into Leaking Data
Cybersecurity researchers have disclosed a new set of vulnerabilities impacting OpenAI’s ChatGPT artificial intelligence (AI) chatbot that could be exploited by an attacker to steal personal information from users’ memories and chat histories without their knowledge. The seven vulnerabilities and…
Securing the Open Android Ecosystem with Samsung Knox
Raise your hand if you’ve heard the myth, “Android isn’t secure.” Android phones, such as the Samsung Galaxy, unlock new ways of working. But, as an IT admin, you may worry about the security—after all, work data is critical. However,…
Why SOC Burnout Can Be Avoided: Practical Steps
Behind every alert is an analyst; tired eyes scanning dashboards, long nights spent on false positives, and the constant fear of missing something big. It’s no surprise that many SOCs face burnout before they face their next breach. But this…
U.S. Sanctions 10 North Korean Entities for Laundering $12.7M in Crypto and IT Fraud
The U.S. Treasury Department on Tuesday imposed sanctions against eight individuals and two entities within North Korea’s global financial network for laundering money for various illicit schemes, including cybercrime and information technology (IT) worker fraud. “North Korean state-sponsored hackers steal…
Mysterious ‘SmudgedSerpent’ Hackers Target U.S. Policy Experts Amid Iran–Israel Tensions
A never-before-seen threat activity cluster codenamed UNK_SmudgedSerpent has been attributed as behind a set of cyber attacks targeting academics and foreign policy experts between June and August 2025, coinciding with heightened geopolitical tensions between Iran and Israel. “UNK_SmudgedSerpent leveraged domestic…
CISA Adds Gladinet and CWP Flaws to KEV Catalog Amid Active Exploitation Evidence
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added two security flaws impacting Gladinet and Control Web Panel (CWP) to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation in the wild. The vulnerabilities in question…
A Cybercrime Merger Like No Other — Scattered Spider, LAPSUS$, and ShinyHunters Join Forces
The nascent collective that combines three prominent cybercrime groups, Scattered Spider, LAPSUS$, and ShinyHunters, has created no less than 16 Telegram channels since August 8, 2025. “Since its debut, the group’s Telegram channels have been removed and recreated at least…
Europol and Eurojust Dismantle €600 Million Crypto Fraud Network in Global Sweep
Nine people have been arrested in connection with a coordinated law enforcement operation that targeted a cryptocurrency money laundering network that defrauded victims of €600 million (~$688 million). According to a statement released by Eurojust today, the action took place…
Critical React Native CLI Flaw Exposed Millions of Developers to Remote Attacks
Details have emerged about a now-patched critical security flaw in the popular “@react-native-community/cli” npm package that could be potentially exploited to run malicious operating system (OS) commands under certain conditions. “The vulnerability allows remote unauthenticated attackers to easily trigger arbitrary…
Microsoft Teams Bugs Let Attackers Impersonate Colleagues and Edit Messages Unnoticed
Cybersecurity researchers have disclosed details of four security flaws in Microsoft Teams that could have exposed users to serious impersonation and social engineering attacks. The vulnerabilities “allowed attackers to manipulate conversations, impersonate colleagues, and exploit notifications,” Check Point said in…
Operation SkyCloak Deploys Tor-Enabled OpenSSH Backdoor Targeting Defense Sectors
Threat actors are leveraging weaponized attachments distributed via phishing emails to deliver malware likely targeting the defense sector in Russia and Belarus. According to multiple reports from Cyble and Seqrite Labs, the campaign is designed to deploy a persistent backdoor…
Ransomware Defense Using the Wazuh Open Source Platform
Ransomware is malicious software designed to block access to a computer system or encrypt data until a ransom is paid. This cyberattack is one of the most prevalent and damaging threats in the digital landscape, affecting individuals, businesses, and critical…