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Tycoon2FA Exploits Microsoft 365 with Device-Code Phishing
Beware of Tycoon2FA's sneaky phishing tactics: victims are tricked into granting OAuth tokens to attackers through Microsoft's own device-login flow after clicking a malicious link. This comeback kid of a phishing kit has bounced back from a March disruption, now with added layers of obfuscation to evade detection.
Funnel Builder Flaw Exploited for WooCommerce Checkout Skimming
A critical vulnerability in the Funnel Builder plugin for WordPress is being actively exploited, allowing attackers to inject malicious JavaScript into WooCommerce checkout pages and skim sensitive customer info. Over 40,000 online stores using the plugin may be at risk.
Russian Hackers Upgrade Kazuar Backdoor to Modular Botnet
Microsoft researchers have uncovered a significant upgrade to the Kazuar backdoor, transforming it into a modular peer-to-peer botnet by the notorious Russian hacker group, Secret Blizzard. This sophisticated tool has been used to target high-stakes organizations and critical systems across Europe, Asia, and Ukraine.
Cisco Zero-Day Exploited in Ongoing Attacks by Persistent Threat Group
A newly discovered Cisco zero-day vulnerability, CVE-2026-20182, is being exploited in ongoing attacks, allowing threat actors to gain the highest administrative access to a network controller, essentially handing them a master key to wreak havoc. This max-severity flaw has sparked a race against time for Cisco customers and national cyber authorities to contain the damage.
Gremlin Stealer Evolves With Advanced Obfuscation Tactics
Meet the new and improved Gremlin Stealer, which has upgraded its hiding game by cleverly concealing its payloads in .NET resource blobs and only revealing them at runtime, making it a stealthier threat than ever. This latest variant uses single-byte XOR encoding to mask its malicious code, evading detection by signature and heuristic scanners.
Funnel Builder Plugin Exploited to Inject Credit Card Skimmers
A vulnerability in the popular Funnel Builder plugin, used on over 40,000 websites, has been exploited to inject credit card skimmers into WooCommerce checkout pages, putting sensitive payment data at risk. This flaw allows attackers to sneak malicious code into checkout pages, harvesting valuable information from unsuspecting customers.
Ransomware Gangs Test Trust with Data Deletion Promises
Can you ever trust a ransomware gang's promise to delete stolen data? The recent Instructure breach has brought this question to the forefront, leaving victims wondering if paying up is worth the risk of broken promises.
Turla Upgrades Kazuar Backdoor to Modular P2P Botnet
Microsoft's Threat Intelligence team has uncovered a significant upgrade to the Kazuar backdoor by the notorious Russian state-sponsored group Turla, now a modular P2P botnet designed for long-term intelligence collection. This move enables Turla to maintain a persistent grip on compromised systems.
Node-ipc Package Infected with Credential-Stealing Malware
A malicious update to the widely-used node-ipc library has infected thousands of projects with credential-stealing malware, posing a significant supply-chain risk for developer environments and CI systems. With over 690,000 weekly downloads, this single compromised library could be exfiltrating sensitive data from countless unsuspecting users.
REMUS Infostealer Targets Session Theft, Password Managers
Meet REMUS Infostealer, a rapidly evolving threat that's been making waves in the underground scene since February 2026, with its operators boasting a staggering 90% callback rate thanks to top-notch crypting and a dedicated server. This infostealer has quickly become a commercialized and professionalized menace, with a flurry of updates, features, and customer communications flooding the dark web.
Gremlin Stealer Evolves with Advanced Evasion Tactics
In just 12 months, the Gremlin stealer malware has transformed from a basic credential harvester to a sophisticated modular toolkit that can stealthily siphon sensitive information from compromised systems. Its latest variant now specifically targets Chromium-based browsers, making it an even more formidable threat.
Microsoft Warns of Severe Zero-Day Flaw in On-Prem Exchange Servers
Microsoft just sounded the alarm on a severe zero-day flaw in on-prem Exchange servers, warning that a high-severity vulnerability could let attackers send malicious code to victims via specially crafted emails. This flaw, tracked as CVE-2026-42897, has already been automatically mitigated if the EM Service is enabled, which it is by default.
China-Linked Hackers Deploy TencShell Malware Against Global Manufacturer
In a clever move, China-linked hackers adapted existing malware tools to create TencShell, using it to launch a stealthy attack on a global manufacturer's Indian site. Fortunately, researchers at Cato Networks' Cyber Threats Research Lab were able to block the intrusion and uncover the sophisticated tactics used.
Microsoft Exchange Servers Targeted by Active CVE-2026-42897 Exploit
Microsoft warns of a high-severity vulnerability, CVE-2026-42897, in its Exchange Servers, allowing attackers to spoof network communications via a cleverly crafted email. This cross-site scripting flaw has been actively exploited, earning a concerning CVSS score of 8.1.
Ransomware Gang Targets Canvas, Exposes Student Data Risks
A ransomware gang claimed to have stolen data from 275 million students, teachers, and staff, but Instructure, the company behind Canvas, says it's reached a deal with the hackers and has digital proof that the data has been destroyed. But can we really trust that the threat has passed?
TeamPCP hackers target Mistral AI code repos for sale
Hackers from TeamPCP are demanding $25,000 for nearly 5 gigabytes of stolen Mistral AI code, threatening to leak it for free if they don't find a buyer within a week. The group claims to have snagged around 450 internal repositories, including sensitive source code used for training and model delivery.
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Foxconn Disrupted by Nitrogen Ransomware Attack
Nitrogen ransomware attackers claim to have stolen a massive 8 terabytes of sensitive data, including confidential files from tech giants like Intel, Apple, and Google, potentially disrupting the entire consumer-tech supply chain. The breach could have far-reaching consequences for suppliers and customers worldwide.
Kimsuky APT Expands Arsenal with Advanced PebbleDash Malware Tools
Kimsuky's malware arsenal just got a major boost with the addition of advanced PebbleDash tools, allowing the group to infiltrate systems with even more sophisticated tactics. Their latest campaign uses clever spear-phishing and malicious attachments to catch victims off guard.
Mustang Panda Unveils Modular FDMTP Backdoor in Cyberespionage Push
Cyberespionage groups like Mustang Panda are constantly evolving their tactics, and a recent campaign has seen the emergence of a modular backdoor that allows attackers to adapt and persist in compromised environments. This sophisticated tool enables hackers to blend in with legitimate processes, making it a major concern for security experts.
Hackers exploit auth flaw in Burst Statistics WordPress plugin
A critical bug in the Burst Statistics WordPress plugin, affecting 200,000 sites, allows hackers to impersonate administrators and gain unauthorized access. This alarming vulnerability, already showing signs of exploitation, puts countless websites at risk.
Cisco SD-WAN Flaw Exploited in Zero-Day Attacks
A critical vulnerability in Cisco's SD-WAN system is being actively exploited, allowing attackers to bypass authentication and gain unauthorized access. This high-risk flaw, tracked as CVE-2026-20182, affects both on-prem and cloud deployments of Cisco Catalyst SD-WAN products.
Palo Alto Networks Exploits Critical PAN-OS Flaw in Limited Attacks
Palo Alto Networks has patched a critical flaw in its PAN-OS software, CVE-2026-0300, which allowed hackers to execute malicious code with root privileges - and the company says it's already been exploited in targeted attacks. The vulnerability, a buffer overflow in the User-ID Authentication Portal service, could be triggered by sending specially crafted packets.
Banking Trojan Targets Crypto Firms with Sophisticated Attacks
A new banking Trojan, dubbed TCLBanker, is wreaking havoc on crypto and finance platforms, allowing hackers to remotely control infected systems and steal sensitive info. This sophisticated attack, linked to North Korea's notorious Lazarus Group, has already led to the largest crypto platform hack of 2026.
West Pharmaceutical Ransomware Attack Exposes Supply Chain Vulnerabilities
In the wake of a ransomware attack, West Pharmaceutical Services swiftly sprang into action, disclosing the breach and launching a thorough investigation with law enforcement and cyber-forensic experts. But despite their rapid response, the company's data loss has left many questions unanswered – and a glaring spotlight on supply chain vulnerabilities.