⚡ THN Weekly Recap: New Attacks, Old Tricks, Bigger Impact

Cyber threats today don't just evolve—they mutate rapidly, testing the resilience of everything from global financial systems to critical infrastructure. As cybersecurity confronts new battlegrounds—ranging from nation-state espionage and ransomware to manipulated AI chatbots—the landscape become...

SilentCryptoMiner Infects 2,000 Russian Users via Fake VPN and DPI Bypass Tools

A new mass malware campaign is infecting users with a cryptocurrency miner named SilentCryptoMiner by masquerading it as a tool designed to circumvent internet blocks and restrictions around online services. Russian cybersecurity company Kaspersky said the activity is part of a larger trend where...

FIN7, FIN8, and Others Use Ragnar Loader for Persistent Access and Ransomware Operations

Threat hunters have shed light on a "sophisticated and evolving malware toolkit" called Ragnar Loader that's used by various cybercrime and ransomware groups like Ragnar Locker aka Monstrous Mantis, FIN7, FIN8, and Ruthless Mantis ex-REvil. "Ragnar Loader plays a key role in keeping access to...

Microsoft Warns of Malvertising Campaign Infecting Over 1 Million Devices Worldwide

Microsoft has disclosed details of a large-scale malvertising campaign that's estimated to have impacted over one million devices globally as part of what it said is an opportunistic attack designed to steal sensitive information. The tech giant, which detected the activity in early December 2024...

Webinar: Learn How ASPM Transforms Application Security from Reactive to Proactive

Are you tired of dealing with outdated security tools that never seem to give you the full picture? You're not alone. Many organizations struggle with piecing together scattered information, leaving your apps vulnerable to modern threats. That's why we're excited to introduce a smarter, unified...

What PCI DSS v4 Really Means – Lessons from A&F Compliance Journey

Access on-demand webinar here Avoid a $100,000/month Compliance Disaster March 31, 2025: The Clock is Ticking. What if a single overlooked script could cost your business $100,000 per month in non-compliance fines? PCI DSS v4 is coming, and businesses handling payment card data must be prepared...

This Malicious PyPI Package Stole Ethereum Private Keys via Polygon RPC Transactions

Cybersecurity researchers have discovered a malicious Python package on the Python Package Index PyPI repository that's equipped to steal a victim's Ethereum private keys by impersonating popular libraries. The package in question is set-utils, which has received 1,077 downloads to date. It's no...

U.S. Secret Service Seizes Russian Garantex Crypto Exchange Website

A coalition of international law enforcement agencies has seized the website associated with the cryptocurrency exchange Garantex "garantex.org", nearly three years after the service was sanctioned by the U.S. Treasury Department in April 2022. "The domain for Garantex has been seized by the Unit...

Safe{Wallet} Confirms North Korean TraderTraitor Hackers Stole $1.5 Billion in Bybit Heist

SafeWallet has revealed that the cybersecurity incident that led to the Bybit $1.5 billion crypto heist is a "highly sophisticated, state-sponsored attack," stating the North Korean threat actors behind the hack took steps to erase traces of the malicious activity in an effort to hamper...

PHP-CGI RCE Flaw Exploited in Attacks on Japan's Tech, Telecom, and E-Commerce Sectors

Threat actors of unknown provenance have been attributed to a malicious campaign predominantly targeting organizations in Japan since January 2025. "The attacker has exploited the vulnerability CVE-2024-4577, a remote code execution RCE flaw in the PHP-CGI implementation of PHP on Windows, to gai...

Elastic Releases Urgent Fix for Critical Kibana Vulnerability Enabling Remote Code Execution

Elastic has rolled out security updates to address a critical security flaw impacting the Kibana data visualization dashboard software for Elasticsearch that could result in arbitrary code execution. The vulnerability, tracked as CVE-2025-25015 , carries a CVSS score of 9.9 out of a maximum of...

EncryptHub Deploys Ransomware and Stealer via Trojanized Apps, PPI Services, and Phishing

The financially motivated threat actor known as EncryptHub has been observed orchestrating sophisticated phishing campaigns to deploy information stealers and ransomware, while also working on a new product called EncryptRAT. "EncryptHub has been observed targeting users of popular applications, ...

Outsmarting Cyber Threats with Attack Graphs

Cyber threats are growing more sophisticated, and traditional security approaches struggle to keep up. Organizations can no longer rely on periodic assessments or static vulnerability lists to stay secure. Instead, they need a dynamic approach that provides real-time insights into how attackers...

Medusa Ransomware Hits 40+ Victims in 2025, Demands $100K–$15M Ransom

The threat actors behind the Medusa ransomware have claimed nearly 400 victims since it first emerged in January 2023, with the financially motivated attacks witnessing a 42% increase between 2023 and 2024. In the first two months of 2025 alone, the group has claimed over 40 attacks, according to...

Over 1,000 WordPress Sites Infected with JavaScript Backdoors Enabling Persistent Attacker Access

Over 1,000 websites powered by WordPress have been infected with a third-party JavaScript code that injects four separate backdoors. "Creating four backdoors facilitates the attackers having multiple points of re-entry should one be detected and removed," c/side researcher Himanshu Anand said in ...

U.S. Charges 12 Chinese Nationals in State-Backed Hacking Operations

The U.S. Department of Justice DoJ has announced charges against 12 Chinese nationals for their alleged participation in a wide-ranging scheme designed to steal data and suppress free speech and dissent globally. The individuals include two officers of the People's Republic of China's PRC Ministr...

China-Linked Silk Typhoon Expands Cyber Attacks to IT Supply Chains for Initial Access

The China-linked threat actor behind the zero-day exploitation of security flaws in Microsoft Exchange servers in January 2021 has shifted its tactics to target the information technology IT supply chain as a means to obtain initial access to corporate networks. That's according to new findings...

Defending against USB drive attacks with Wazuh

USB drive attacks constitute a significant cybersecurity risk, taking advantage of the everyday use of USB devices to deliver malware and circumvent traditional network security measures. These attacks lead to data breaches, financial losses, and operational disruptions, with lasting impacts on a...

Dark Caracal Uses Poco RAT to Target Spanish-Speaking Enterprises in Latin America

The threat actor known as Dark Caracal has been attributed to a campaign that deployed a remote access trojan called Poco RAT in attacks targeting Spanish-speaking targets in Latin America in 2024. The findings come from Russian cybersecurity company Positive Technologies, which described the...

Google Rolls Out AI Scam Detection for Android to Combat Conversational Fraud

Google has announced the rollout of artificial intelligence AI-powered scam detection features to secure Android device users and their personal information. "These features specifically target conversational scams, which can often appear initially harmless before evolving into harmful situations...

Chinese APT Lotus Panda Targets Governments With New Sagerunex Backdoor Variants

The threat actor known as Lotus Panda has been observed targeting government, manufacturing, telecommunications, and media sectors in the Philippines, Vietnam, Hong Kong, and Taiwan with updated versions of a known backdoor called Sagerunex. "Lotus Blossom has been using the Sagerunex backdoor...

Identity: The New Cybersecurity Battleground

The rapid adoption of cloud services, SaaS applications, and the shift to remote work have fundamentally reshaped how enterprises operate. These technological advances have created a world of opportunity but also brought about complexities that pose significant security threats. At the core of...

Seven Malicious Go Packages Found Deploying Malware on Linux and macOS Systems

Cybersecurity researchers are alerting of an ongoing malicious campaign targeting the Go ecosystem with typosquatted modules that are designed to deploy loader malware on Linux and Apple macOS systems. "The threat actor has published at least seven packages impersonating widely used Go libraries,...

Researchers Link CACTUS Ransomware Tactics to Former Black Basta Affiliates

Threat actors deploying the Black Basta and CACTUS ransomware families have been found to rely on the same BackConnect BC module for maintaining persistent control over infected hosts, a sign that affiliates previously associated with Black Basta may have transitioned to CACTUS. "Once infiltrated...

VMware Security Flaws Exploited in the Wild—Broadcom Releases Urgent Patches

Broadcom has released security updates to address three actively exploited security flaws in VMware ESXi, Workstation, and Fusion products that could lead to code execution and information disclosure. The list of vulnerabilities is as follows - CVE-2025-22224 CVSS score: 9.3 - A Time-of-Check...

How New AI Agents Will Transform Credential Stuffing Attacks

Credential stuffing attacks had a huge impact in 2024, fueled by a vicious circle of infostealer infections and data breaches. But things could be about to get worse still with Computer-Using Agents, a new kind of AI agent that enables low-cost, low-effort automation of common web tasks — includi...

Suspected Iranian Hackers Used Compromised Indian Firm's Email to Target U.A.E. Aviation Sector

Threat hunters are calling attention to a new highly-targeted phishing campaign that singled out "fewer than five" entities in the United Arab Emirates U.A.E. to deliver a previously undocumented Golang backdoor dubbed Sosano. The malicious activity was specifically directed against aviation and...

Over 4,000 ISP IPs Targeted in Brute-Force Attacks to Deploy Info Stealers and Cryptominers

Internet service providers ISPs in China and the West Coast of the United States have become the target of a mass exploitation campaign that deploys information stealers and cryptocurrency miners on compromised hosts. The findings come from the Splunk Threat Research Team, which said the activity...

Cisco, Hitachi, Microsoft, and Progress Flaws Actively Exploited—CISA Sounds Alarm

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Monday added five security flaws impacting software from Cisco, Hitachi Vantara, Microsoft Windows, and Progress WhatsUp Gold to its Known Exploited Vulnerabilities KEV catalog, based on evidence of active exploitation. The list of...

Google's March 2025 Android Security Update Fixes Two Actively Exploited Vulnerabilities

Google has released its monthly Android Security Bulletin for March 2025 to address a total of 44 vulnerabilities, including two that it said have come under active exploitation in the wild. The two high-severity vulnerabilities are listed below - CVE-2024-43093 - A privilege escalation flaw in...

Hackers Exploit AWS Misconfigurations to Launch Phishing Attacks via SES and WorkMail

Threat actors are targeting Amazon Web Services AWS environments to push out phishing campaigns to unsuspecting targets, according to findings from Palo Alto Networks Unit 42. The cybersecurity company is tracking the activity cluster under the name TGR-UNK-0011 short for a threat group with...

Hackers Use ClickFix Trick to Deploy PowerShell-Based Havoc C2 via SharePoint Sites

Cybersecurity researchers are calling attention to a new phishing campaign that employs the ClickFix technique to deliver an open-source command-and-control C2 framework called Havoc. "The threat actor hides each malware stage behind a SharePoint site and uses a modified version of Havoc Demon in...

Hackers Exploit Paragon Partition Manager Driver Vulnerability in Ransomware Attacks

Threat actors have been exploiting a security vulnerability in Paragon Partition Manager's BioNTdrv.sys driver in ransomware attacks to escalate privileges and execute arbitrary code. The zero-day flaw CVE-2025-0289 is part of a set of five vulnerabilities that was discovered by Microsoft,...

U.K. ICO Investigates TikTok, Reddit, and Imgur Over Children's Data Protection Practices

The U.K.'s Information Commissioner's Office ICO has opened an investigation into online platforms TikTok, Reddit, and Imgur to assess the steps they are taking to protect children between the ages of 13 and 17 in the country. To that end, the watchdog said it's probing how the ByteDance-owned...

⚡ THN Weekly Recap: Alerts on Zero-Day Exploits, AI Breaches, and Crypto Heists

This week, a 23-year-old Serbian activist found themselves at the crossroads of digital danger when a sneaky zero-day exploit turned their Android device into a target. Meanwhile, Microsoft pulled back the curtain on a scheme where cybercriminals used AI tools for harmful pranks, and a massive...

The New Ransomware Groups Shaking Up 2025

In 2024, global ransomware attacks hit 5,414, an 11% increase from 2023. After a slow start, attacks spiked in Q2 and surged in Q4, with 1,827 incidents 33% of the year's total. Law enforcement actions against major groups like LockBit caused fragmentation, leading to more competition and a rise ...

Vo1d Botnet's Peak Surpasses 1.59M Infected Android TVs, Spanning 226 Countries

Brazil, South Africa, Indonesia, Argentina, and Thailand have become the targets of a campaign that has infected Android TV devices with a botnet malware dubbed Vo1d. The improved variant of Vo1d has been found to encompass 800,000 daily active IP addresses, with the botnet scaling a peak of...

Mozilla Updates Firefox Terms Again After Backlash Over Broad Data License Language

Firefox browser maker Mozilla on Friday updated its Terms of Use a second time within a week following criticism overbroad language that appeared to give the company the rights to all information uploaded by users. The revised Terms of Use now states - You give Mozilla the rights necessary to...

Amnesty Finds Cellebrite's Zero-Day Used to Unlock Serbian Activist's Android Phone

A 23-year-old Serbian youth activist had their Android phone targeted by a zero-day exploit developed by Cellebrite to unlock the device, according to a new report from Amnesty International. "The Android phone of one student protester was exploited and unlocked by a sophisticated zero-day exploi...

RDP: a Double-Edged Sword for IT Teams – Essential Yet Exploitable

Remote Desktop Protocol RDP is an amazing technology developed by Microsoft that lets you access and control another computer over a network. It's like having your office computer with you wherever you go. For businesses, this means IT staff can manage systems remotely, and employees can work fro...

Fake CAPTCHA PDFs Spread Lumma Stealer via Webflow, GoDaddy, and Other Domains

Cybersecurity researchers have uncovered a widespread phishing campaign that uses fake CAPTCHA images shared via PDF documents hosted on Webflow's content delivery network CDN to deliver the Lumma stealer malware. Netskope Threat Labs said it discovered 260 unique domains hosting 5,000 phishing P...

Microsoft Exposes LLMjacking Cybercriminals Behind Azure AI Abuse Scheme

Microsoft on Thursday unmasked four of the individuals that it said were behind an Azure Abuse Enterprise scheme that involves leveraging unauthorized access to generative artificial intelligence GenAI services in order to produce offensive and harmful content. The campaign, called LLMjacking, ha...

12,000+ API Keys and Passwords Found in Public Datasets Used for LLM Training

A dataset used to train large language models LLMs has been found to contain nearly 12,000 live secrets, which allow for successful authentication. The findings once again highlight how hard-coded credentials pose a severe security risk to users and organizations alike, not to mention compounding...

Sticky Werewolf Uses Undocumented Implant to Deploy Lumma Stealer in Russia and Belarus

The threat actor known as Sticky Werewolf has been linked to targeted attacks primarily in Russia and Belarus with the aim of delivering the Lumma Stealer malware by means of a previously undocumented implant. Cybersecurity company Kaspersky is tracking the activity under the name Angry Likho,...

Silver Fox APT Uses Winos 4.0 Malware in Cyber Attacks Against Taiwanese Organizations

A new campaign is targeting companies in Taiwan with malware known as Winos 4.0 as part of phishing emails masquerading as the country's National Taxation Bureau. The campaign, detected last month by Fortinet FortiGuard Labs, marks a departure from previous attack chains that have leveraged...

Space Pirates Targets Russian IT Firms With New LuckyStrike Agent Malware

The threat actor known as Space Pirates has been linked to a malicious campaign targeting Russian information technology IT organizations with a previously undocumented malware called LuckyStrike Agent. The activity was detected in November 2024 by Solar, the cybersecurity arm of Russian...

89% of Enterprise GenAI Usage Is Invisible to Organizations Exposing Critical Security Risks, New Report Reveals

Organizations are either already adopting GenAI solutions, evaluating strategies for integrating these tools into their business plans, or both. To drive informed decision-making and effective planning, the availability of hard data is essential—yet such data remains surprisingly scarce. The...

New TgToxic Banking Trojan Variant Evolves with Anti-Analysis Upgrades

Cybersecurity researchers have discovered an updated version of an Android malware called TgToxic aka ToxicPanda, indicating that the threat actors behind it are continuously making changes in response to public reporting. "The modifications seen in the TgToxic payloads reflect the actors' ongoin...

PolarEdge Botnet Exploits Cisco and Other Flaws to Hijack ASUS, QNAP, and Synology Devices

A new malware campaign has been observed targeting edge devices from Cisco, ASUS, QNAP, and Synology to rope them into a botnet named PolarEdge since at least the end of 2023. French cybersecurity company Sekoia said it observed the unknown threat actors deploying a backdoor by leveraging...

Bybit Hack Traced to Safe{Wallet} Supply Chain Attack Exploited by North Korean Hackers

The U.S. Federal Bureau of Investigation FBI formally linked the record-breaking $1.5 billion Bybit hack to North Korean threat actors, as the company's CEO Ben Zhou declared a "war against Lazarus." The agency said the Democratic People's Republic of Korea North Korea was responsible for the the...