1593 matches found
Russian Espionage Group Exploited Zimbra Zero-Day to Steal Mail and 2FA Codes
A Russian state-supported espionage group spent months reading Western mailboxes through a then-unknown flaw in Zimbra's webmail client. The payload goes after the last 90 days of email, the organization's entire email directory, the password saved in the browser and the codes kept for two-factor...
Cisco ASA/FTD Persistent Local Code Execution (CVE-2024-20359)
A vulnerability in a legacy capability that allowed for the preloading of VPN clients and plugins and that has been available in Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, local attacker to execute arbitrary code wi...
Google Details Turla's New STOCKSTAY Backdoor Used in Ukraine Espionage Attacks
The Russian state-sponsored threat actor known as Turla has been attributed to a previously undocumented .NET backdoor called STOCKSTAY that has been deployed against government and military organizations in Ukraine, and entities that have an interest in Italian foreign policy. Describing the...
New Threat Cluster OP-512 Targets Microsoft IIS Servers with Custom Web Shell Framework
Cybersecurity researchers have discovered a previously unreported threat cluster dubbed OP-512 where "OP" stands for "opponent" that has been observed targeting Microsoft Internet Information Services IIS servers to deploy a bespoke web shell framework. ReliaQuest has assessed with moderate to hi...
Hackers Spied on a Stock Exchange Executive's Outlook Mailbox for Five Months
Unknown attackers spent at least five months inside the Outlook mailbox of a senior executive at a major global stock exchange, copying the inbox out in small, repeated batches and routing it through Dropbox and OneDrive so the traffic blended into normal cloud activity. Symantec and Carbon Black...
MuddyWater Uses DLL Side-Loading in Espionage Campaign Targeting 9 Countries
The Iranian hacking group known as MuddyWater has been linked to a new campaign affecting at least nine organizations across nine countries on four continents in the first quarter of 2026. The activity targeted industrial and electronics manufacturing, education and public-sector bodies, financia...
Government Backed Hackers Abuse Cloudflare in Malaysian Espionage Campaign
Government Backed Hackers abused Cloudflare storage services in a Malaysian espionage campaign involving hidden C2 systems and data exfiltration...
Turla Turns Kazuar Backdoor Into Modular P2P Botnet for Persistent Access
The Russian state-sponsored hacking group known as Turla has transformed its custom backdoor Kazuar into a modular peer-to-peer P2P botnet that's engineered for stealth and persistent access to compromised hosts. Turla, per the U.S. Cybersecurity and Infrastructure Security Agency CISA, is assess...
Kazuar: Anatomy of a nation-state botnet
In this article 1. Delivery 2. Module types 3. Botnet operations 4. Who is Secret Blizzard? 5. Mitigation and protection guidance 6. Microsoft Defender detections Kazuar, a sophisticated malware family attributed to the Russian state actor Secret Blizzard, has been under constant development for...
China-Linked Twill Typhoon Uses Fake Apple and Yahoo Sites for Espionage
A new Darktrace report reveals how Chinese hackers use fake Apple and Yahoo sites and the FDMTP malware framework to spy on organisations...
State-sponsored actors, better known as the friends you don’t want
State-sponsored actors don't break in. They log in, and they use your own tools to stay invisible for months. Responding to a state-sponsored threat is nothing like responding to ransomware, and the differences can make or break the outcome. From logging and baselines to OT segmentation and suppl...
China-Linked Hackers Target Asian Governments, NATO State, Journalists, and Activists
Cybersecurity researchers have disclosed details of a new China-aligned espionage campaign targeting government and defense sectors across South, East, and Southeast Asia, along with one European government belonging to NATO. Trend Micro has attributed the activity to a threat activity cluster it...
Mustang Panda’s New LOTUSLITE Variant Targets India Banks, South Korea Policy Circles
Cybersecurity researchers have discovered a new variant of a known malware called LOTUSLITE that's distributed via a theme related to India's banking sector. "The backdoor communicates with a dynamic DNS-based command-and-control server over HTTPS and supports remote shell access, file operations...
Threat actor abuse of AI accelerates from tool to cyberattack surface
For the last year, one word has represented the conversation living at the intersection of AI and cybersecurity: speed. Speed matters, but it’s not the most important shift we are observing across the threat landscape today. Now, threat actors from nation states to cybercrime groups are embedding...
China-Linked Red Menshen Uses Stealthy BPFDoor Implants to Spy via Telecom Networks
A long-term and ongoing campaign attributed to a China-nexus threat actor has embedded itself in telecom networks to conduct espionage against government networks. The strategic positioning activity, which involves implanting and maintaining stealthy access mechanisms within critical environments...
BPFdoor in Telecom Networks: Sleeper Cells in the Backbone
Executive overview The strategic positioning of covert access within the world’s telecommunication networks A months-long investigation by Rapid7 Labs has uncovered evidence of an advanced China-nexus threat actor, Red Menshen, placing some of the stealthiest digital sleeper cells the team has ev...
The Kill Chain Is Obsolete When Your AI Agent Is the Threat
In September 2025, Anthropic disclosed that a state-sponsored threat actor used an AI coding agent to execute an autonomous cyber espionage campaign against 30 global targets. The AI handled 80-90% of tactical operations on its own, performing reconnaissance, writing exploit code, and attempting...
Chinese Hackers Target Southeast Asian Militaries with AppleChris and MemFun Malware
A suspected China-based cyber espionage operation has targeted Southeast Asian military organizations as part of a state-sponsored campaign that dates back to at least 2020. Palo Alto Networks Unit 42 is tracking the threat activity under the moniker CL-STA-1087 , where CL refers to cluster, and...
Web Server Exploits and Mimikatz Used in Attacks Targeting Asian Critical Infrastructure
High-value organizations located in South, Southeast, and East Asia have been targeted by a Chinese threat actor as part of a years-long campaign. The activity, which has targeted aviation, energy, government, law enforcement, pharmaceutical, technology, and telecommunications sectors, has been...