Konni Hackers Deploy AI-Generated PowerShell Backdoor Against Blockchain Developers

The North Korean threat actor known as Konni has been observed using PowerShell malware generated using artificial intelligence AI tools to target developers and engineering teams in the blockchain sector. The phishing campaign has targeted Japan, Australia, and India, highlighting the adversary'...

Filling the Most Common Gaps in Google Workspace Security

Security teams at agile, fast-growing companies often have the same mandate: secure the business without slowing it down. Most teams inherit a tech stack optimized for breakneck growth, not resilience. In these environments, the security team is the helpdesk, the compliance expert, and the incide...

Hackers Exploiting PDF24 App to Deploy Stealthy PDFSIDER Backdoor

Resecurity has identified PDFSIDER malware that exploits the legitimate PDF24 App to covertly steal data and allow remote access. Learn how this APT-level campaign targets corporate networks through spear-phishing and encrypted communications...

LOTUSLITE Backdoor Targets U.S. Policy Entities Using Venezuela-Themed Spear Phishing

Security experts have disclosed details of a new campaign that has targeted U.S. government and policy entities using politically themed lures to deliver a backdoor known as LOTUSLITE. The targeted malware campaign leverages decoys related to the recent geopolitical developments between the U.S...

MuddyWater Launches RustyWater RAT via Spear-Phishing Across Middle East Sectors

The Iranian threat actor known as MuddyWater has been attributed to a spear-phishing campaign targeting diplomatic, maritime, financial, and telecom entities in the Middle East with a Rust-based implant codenamed RustyWater. "The campaign uses icon spoofing and malicious Word documents to deliver...

FBI Warns North Korean Hackers Using Malicious QR Codes in Spear-Phishing

The U.S. Federal Bureau of Investigation FBI on Thursday released an advisory warning of North Korean state-sponsored threat actors leveraging malicious QR codes in spear-phishing campaigns targeting entities in the country. "As of 2025, Kimsuky actors have targeted think tanks, academic...

27 Malicious npm Packages Used as Phishing Infrastructure to Steal Login Credentials

Cybersecurity researchers have disclosed details of what has been described as a "sustained and targeted" spear-phishing campaign that has published over two dozen packages to the npm registry to facilitate credential theft. The activity, which involved uploading 27 npm packages from six differen...

The vulnerability of the Downloads Panel component of the Mozilla Firefox browser and the Thunderbird email client allows attackers to perform spear-phishing attacks.

The vulnerability of the Downloads Panel component in the Mozilla Firefox browser and the Thunderbird email client is related to deficiencies in the authentication process, resulting from incorrect display of the domain name in the address bar. Exploiting this vulnerability allows a malicious act...

SHADOW-VOID-042 Targets Multiple Industries with Void Rabisu-like Tactics

In November, a targeted spear-phishing campaign was observed using Trend Micro-themed lures against various industries, but this was quickly detected and thwarted by the Trend Vision One™ platform...

MuddyWater Deploys UDPGangster Backdoor in Targeted Turkey-Israel-Azerbaijan Campaign

The Iranian hacking group known as MuddyWater has been observed leveraging a new backdoor dubbed UDPGangster that uses the User Datagram Protocol UDP for command-and-control C2 purposes. The cyber espionage activity targeted users in Turkey, Israel, and Azerbaijan, according to a report from...

Iran-Linked Hackers Hit Israeli Sectors with New MuddyViper Backdoor in Targeted Attacks

Israeli entities spanning academia, engineering, local government, manufacturing, technology, transportation, and utilities sectors have emerged as the target of a new set of attacks undertaken by Iranian nation-state actors that have delivered a previously undocumented backdoor called MuddyViper...

Tomiris Shifts to Public-Service Implants for Stealthier C2 in Attacks on Government Targets

The threat actor known as Tomiris has been attributed to attacks targeting foreign ministries, intergovernmental organizations, and government entities in Russia with an aim to establish remote access and deploy additional tools. "These attacks highlight a notable shift in Tomiris's tactics, name...

5 Reasons Why Attackers Are Phishing Over LinkedIn

Phishing attacks are no longer confined to the email inbox, with 1 in 3 phishing attacks now taking place over non-email channels like social media, search engines, and messaging apps. LinkedIn in particular has become a hotbed for phishing attacks, and for good reason. Attackers are running...

Konni Hackers Turn Google's Find Hub into a Remote Data-Wiping Weapon

The North Korea-affiliated threat actor known as Konni aka Earth Imp, Opal Sleet, Osmium, TA406, and Vedalia has been attributed to a new set of attacks targeting both Android and Windows devices for data theft and remote control. "Attackers impersonated psychological counselors and North Korean...

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 as...

Cybercriminals Exploit Remote Monitoring Tools to Infiltrate Logistics and Freight Networks

Bad actors are increasingly training their sights on trucking and logistics companies with an aim to infect them with remote monitoring and management RMM software for financial gain and ultimately steal cargo freight. The threat cluster, believed to be active since at least June 2025 according t...

New HttpTroy Backdoor Poses as VPN Invoice in Targeted Cyberattack on South Korea

The North Korea-linked threat actor known as Kimsuky has distributed a previously undocumented backdoor codenamed HttpTroy as part of a likely spear-phishing attack targeting a single victim in South Korea. Gen Digital, which disclosed details of the activity, did not reveal any details on when t...

SideWinder Adopts New ClickOnce-Based Attack Chain Targeting South Asian Diplomats

A European embassy located in the Indian capital of New Delhi, as well as multiple organizations in Sri Lanka, Pakistan, and Bangladesh, have emerged as the target of a new campaign orchestrated by a threat actor known as SideWinder in September 2025. The activity "reveals a notable evolution in...

APT36 Targets Indian Government with Golang-Based DeskRAT Malware Campaign

A Pakistan-nexus threat actor has been observed targeting Indian government entities as part of spear-phishing attacks designed to deliver a Golang-based malware known as DeskRAT. The activity, observed in August and September 2025 by Sekoia, has been attributed to Transparent Tribe aka APT36, a...

Ukraine Aid Groups Targeted Through Fake Zoom Meetings and Weaponized PDF Files

Cybersecurity researchers have disclosed details of a coordinated spear-phishing campaign dubbed PhantomCaptcha targeting organizations associated with Ukraine's war relief efforts to deliver a remote access trojan that uses a WebSocket for command-and-control C2. The activity, which took place o...