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Computer/Network Security

Breach intelligence, attack campaigns, and threat reports targeting the Computer/Network Security sector.

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Computer/Network Security Threat Reports

Showing 169–180 / 1287 reports
FakeGit Campaign Exploits 17,000+ GitHub Repositories to Distribute Malware
FakeGit Campaign Exploits 17,000+ GitHub Repositories to Distribute Malware

FakeGit Campaign Exploits 17,000+ GitHub Repositories to Distribute Malware

The FakeGit malware campaign resurfaced in October 2024 with over 17,610 malicious GitHub repositories distributing SmartLoader malware and StealC infostealer. Threat actors exploited legitimate developer accounts and created convincing fake repositories with README files containing download buttons that delivered malicious ZIP archives. In just 34 hours starting October 4, attackers pushed over 13,000 repositories at a peak rate of 2,999 per hour, targeting AI skills repositories and MCP servers listed in public registries to maximize credibility and infection rates. This incident highlights the growing trend of supply chain attacks targeting developer platforms and AI infrastructure. As organizations increasingly adopt AI-powered development tools and automated deployment pipelines, attackers are exploiting trust relationships in code repositories to bypass traditional security controls and distribute malware at scale.

Medium impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(low)
C&CCommand & Control(medium)
EExfiltration(high)
IImpact(medium)
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Citizen Lab Exposes Government-Corporate Surveillance Alliance in Scathing SecTor 2026 Warning
Citizen Lab Exposes Government-Corporate Surveillance Alliance in Scathing SecTor 2026 Warning

Citizen Lab Exposes Government-Corporate Surveillance Alliance in Scathing SecTor 2026 Warning

At SecTor 2026, Citizen Lab Director Ron Deibert delivered a scathing critique of the Trump administration's embrace of surveillance technology and commercial spyware firms. Deibert highlighted the reactivation of ICE contracts with spyware company Paragon Solutions, the appointment of Trump's former attorney David Friedman as NSO Group's executive chairman, and the administration's use of AI-generated disinformation campaigns. The research organization warned that major technology executives including Elon Musk, Mark Zuckerberg, and Palantir's Alex Karp are supporting what Deibert termed "techno-fascism" through expanded government surveillance capabilities and AI-powered influence operations. This incident reflects the growing intersection of commercial spyware, state surveillance, and AI-driven disinformation campaigns that pose unprecedented risks to civil liberties and democratic institutions globally.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(high)
EExfiltration(high)
IImpact(high)
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MonsterCloud Ransomware Recovery Fraud: $19M Scam Exposes Industry Vulnerabilities
MonsterCloud Ransomware Recovery Fraud: $19M Scam Exposes Industry Vulnerabilities

MonsterCloud Ransomware Recovery Fraud: $19M Scam Exposes Industry Vulnerabilities

In October 2026, the U.S. Department of Justice charged Zohar Pinhasi, owner of Florida-based MonsterCloud, with wire fraud for allegedly defrauding ransomware victims by secretly paying ransom demands while claiming to use proprietary decryption tools. Between 2021 and 2023, Pinhasi charged clients over $19 million while secretly paying over $8 million in ransoms to threat actors, marking up fees by 500-1800% above actual ransom costs. In one case, he paid $8,200 to attackers but billed the client $150,000, falsely advertising advanced decryption capabilities that never existed. This case highlights the growing threat of secondary victimization in the ransomware ecosystem, where recovery firms exploit victim desperation. As ransomware attacks surge globally and organizations increasingly turn to third-party recovery services, this incident exposes critical trust gaps in the cybersecurity vendor ecosystem and underscores the need for transparency in incident response partnerships.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(high)
EExfiltration(high)
IImpact(high)
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16 Malicious Firefox Extensions Target Crypto Wallets in Sophisticated 2026 Campaign
16 Malicious Firefox Extensions Target Crypto Wallets in Sophisticated 2026 Campaign

16 Malicious Firefox Extensions Target Crypto Wallets in Sophisticated 2026 Campaign

In October 2026, cybersecurity researchers discovered 16 malicious Mozilla Firefox extensions masquerading as legitimate Rabby and OKX cryptocurrency wallets. These extensions specifically targeted cryptocurrency users by intercepting wallet recovery phrases and private keys during import flows, then exfiltrating the stolen credentials to attacker-controlled Cloudflare Workers infrastructure. The campaign represents a continuation of earlier attacks documented in August 2026, with threat actors rotating package names and extension identifiers while reusing the same credential-harvesting logic and network infrastructure. All identified extensions have been removed from the Firefox add-on store as of October 5, 2026. This incident highlights the growing sophistication of cryptocurrency-focused malware campaigns and the increasing abuse of browser extension ecosystems for credential theft. The attack demonstrates how threat actors are systematically targeting the expanding cryptocurrency user base through trusted distribution channels, making extension security and wallet hygiene critical priorities for organizations and individuals managing digital assets.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(high)
EExfiltration(high)
IImpact(high)
Read report
Wazza Phishkit: Advanced Multi-Stage Attack Targets Critical Infrastructure
Wazza Phishkit: Advanced Multi-Stage Attack Targets Critical Infrastructure
Banking/Mortgage1 month ago

Wazza Phishkit: Advanced Multi-Stage Attack Targets Critical Infrastructure

The Wazza phishing kit represents a sophisticated multi-stage attack campaign targeting banking, government, and manufacturing organizations across the United States, Europe, and Australia in 2026. This advanced phishing operation employs a complex routing infrastructure that includes wildcard domains, session tokens, and anti-bot validation to filter victims before delivering Adobe-themed Device Code phishing pages. The campaign demonstrates significant evolution in phishing tactics, moving beyond simple credential harvesting to implement session management, traffic controls, and automated filtering systems that make detection more challenging for security teams. This incident highlights the current trend toward more sophisticated phishing infrastructure as attackers adapt to improved security detection capabilities and automated threat response systems across enterprise environments.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(high)
EExfiltration(medium)
IImpact(medium)
Read report
How AI-Powered ARTEX Tool Compromised South Korean Financial Institutions
How AI-Powered ARTEX Tool Compromised South Korean Financial Institutions
Banking/Mortgage1 month ago

How AI-Powered ARTEX Tool Compromised South Korean Financial Institutions

Between late September and early October 2026, threat actors leveraged ARTEX, an open-source AI-powered penetration testing tool developed in China, to conduct targeted attacks against South Korean financial institutions. The campaign utilized large language models including DeepSeek v4.1-flash, GLM-5.3, and Grok 4.6 to automate reconnaissance, exploitation, and data exfiltration. CrowdStrike discovered the operation through exposed directories on a Hong Kong-based IP address containing Claude Code session histories and ARTEX configuration files. Evidence suggests Chinese-speaking operators motivated by financial gain, with attackers specifically researching Korean data breach marketplaces and Telegram sales channels. This incident highlights the emerging threat of AI-weaponized attacks where sophisticated language models automate complex multi-stage cyber operations. The misuse prompted ARTEX's developer to immediately transition the tool to closed-source, demonstrating how legitimate security research tools are being rapidly co-opted by malicious actors to enhance attack capabilities at scale.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(high)
EExfiltration(high)
IImpact(high)
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Microsoft FORGE Lab Scales AI Vulnerability Research to 140 CVEs in 2026
Microsoft FORGE Lab Scales AI Vulnerability Research to 140 CVEs in 2026

Microsoft FORGE Lab Scales AI Vulnerability Research to 140 CVEs in 2026

Microsoft's FORGE Lab demonstrated significant advances in AI-powered vulnerability research throughout 2026, discovering 140 CVEs in Windows systems and submitting 155 validated reports across 23 open-source projects. Using their multi-model agentic scanning harness (MDASH), the team achieved automated vulnerability discovery at scale, with proof-of-concept generation averaging $3.61 in model costs and 21.5 minutes per Linux kernel finding. The initiative included successful collaboration with the Linux Foundation's Akrites program, resulting in the first Akrites submission to achieve a merged Linux kernel patch. This research represents a paradigm shift in cybersecurity as AI-powered vulnerability discovery transitions from experimental capability to operational reality, fundamentally changing how organizations must approach security validation and remediation at machine speed.

Medium impact

Kill Chain

ICInitial Compromise(medium)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(low)
EExfiltration(high)
IImpact(medium)
Read report
Web3 Supply Chain Attacks Target Enterprise Cloud Infrastructure
Web3 Supply Chain Attacks Target Enterprise Cloud Infrastructure

Web3 Supply Chain Attacks Target Enterprise Cloud Infrastructure

Unit 42 researchers have identified a sophisticated evolution in supply chain attacks where threat actors exploit Web3 infrastructure components and open-source repositories to infiltrate enterprise cloud environments. These attacks leverage the decentralized nature of Web3 technologies, including blockchain nodes, smart contracts, and decentralized applications, as entry points into traditional cloud infrastructure. Attackers compromise popular npm packages, Docker containers, and Kubernetes configurations used in Web3 development, then pivot to cloud workloads and data repositories. The campaign has affected multiple organizations across financial services and technology sectors, resulting in data exfiltration and cryptocurrency theft. This attack pattern represents a critical shift as Web3 adoption accelerates in enterprise environments, creating new attack surfaces that traditional security controls often miss due to the hybrid nature of these deployments.

High impact

Kill Chain

ICInitial Compromise(medium)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(medium)
IImpact(medium)
Read report
MonsterCloud CEO Indicted: The Hidden Costs of Ransomware Recovery Fraud
MonsterCloud CEO Indicted: The Hidden Costs of Ransomware Recovery Fraud

MonsterCloud CEO Indicted: The Hidden Costs of Ransomware Recovery Fraud

Zohar Pinhasi, CEO of ransomware recovery firm MonsterCloud, was indicted in October 2026 for allegedly defrauding clients by secretly paying ransomware operators while claiming to use proprietary decryption technology. From June 2018 to June 2023, prosecutors allege Pinhasi facilitated over $8 million in ransom payments while charging victims more than $19 million for recovery services. In documented cases, MonsterCloud charged victims $150,000 after paying attackers $8,200, and $380,000 after paying $236,000 to cybercriminals. The scheme allegedly involved over 300 companies across the United States and Canada. This case highlights the growing sophistication of ransomware ecosystem fraud, where recovery firms exploit victim desperation during crisis situations. As ransomware attacks increase 41% year-over-year and average ransom demands exceed $2 million, the emergence of fraudulent recovery services represents a dangerous secondary victimization trend that organizations must vigilantly avoid.

High impact

Kill Chain

ICInitial Compromise(medium)
PEPrivilege Escalation(high)
LMLateral Movement(high)
C&CCommand & Control(high)
EExfiltration(high)
IImpact(high)
Read report
Anthropic's AI Revolution in Cybersecurity: 129,000 Vulnerabilities Discovered Through Claude Models
Anthropic's AI Revolution in Cybersecurity: 129,000 Vulnerabilities Discovered Through Claude Models

Anthropic's AI Revolution in Cybersecurity: 129,000 Vulnerabilities Discovered Through Claude Models

Anthropic expanded its Cyber Verification Program in October 2026, providing vetted cybersecurity professionals with reduced-safeguard access to advanced AI models including Claude Opus 5.5 and Claude Sonnet 5.5. The company's Project Glasswing initiative discovered 129,000 verified software vulnerabilities between April and July 2026, with over 33,000 rated as critical or high-severity. The program offers three access tiers - Defense Access, Red Team Access, and Specialized Access - each with varying levels of safeguards removal for legitimate security testing and research purposes. This development highlights the growing intersection of AI capabilities and cybersecurity operations, as organizations increasingly leverage artificial intelligence for both defensive vulnerability discovery and offensive security testing. The dual-use nature of these AI tools underscores the need for careful access controls while democratizing advanced cybersecurity capabilities.

Critical impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(high)
IImpact(medium)
Read report
Sophisticated Linux Backdoors Target Email Security Infrastructure in Asia-Pacific Cyber Espionage Campaign
Sophisticated Linux Backdoors Target Email Security Infrastructure in Asia-Pacific Cyber Espionage Campaign

Sophisticated Linux Backdoors Target Email Security Infrastructure in Asia-Pacific Cyber Espionage Campaign

In October 2026, sophisticated Linux backdoors targeting telecom and network appliances in South Korea and Taiwan were discovered masquerading as legitimate email security products including SpamSniper and ShareTech. The campaign, linked to China-nexus threat groups including Red Menshen, deployed new variants of BPFDoor and a previously unreported implant called AVERAT. These backdoors used advanced evasion techniques including Berkeley Packet Filter abuse, SMTP-based command and control, and process spoofing to blend into enterprise environments while maintaining persistent access to critical network infrastructure. This incident highlights the evolving sophistication of nation-state actors who are adapting their malware to evade detection following public security disclosures. The targeting of email security gateways and telecom infrastructure demonstrates a strategic shift toward compromising trusted security tools themselves, making detection significantly more challenging for defenders.

Critical impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(high)
EExfiltration(high)
IImpact(medium)
Read report
BigDiskBuster: The Stealth Attack That Silently Disarms Microsoft Defender
BigDiskBuster: The Stealth Attack That Silently Disarms Microsoft Defender

BigDiskBuster: The Stealth Attack That Silently Disarms Microsoft Defender

In October 2026, security researcher Abdelhamid Naceri (MSNightmare) released a proof-of-concept technique called 'BigDiskBuster' that prevents Microsoft Defender from receiving security updates without exploiting any vulnerabilities. The technique monitors Defender update activity and creates hidden files that consume all available disk space when updates begin, causing silent update failures while leaving the antivirus service running normally. LevelBlue researchers successfully reproduced the attack, demonstrating how it creates a 'silent detection gap' where Defender appears healthy but becomes increasingly vulnerable to new threats as its signature database becomes outdated. This incident highlights the growing sophistication of EDR evasion techniques and the critical need for organizations to monitor not just whether security tools are running, but whether they're receiving current threat intelligence updates.

Medium impact

Kill Chain

ICInitial Compromise(medium)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(high)
EExfiltration(high)
IImpact(high)
Read report
[ INCIDENT RESPONSE // UNDER ATTACK? ]

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