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Every CyberSIXT summary, newest first, with a link to its story and to the original report.

Articles per day, last 14 days

Most articles on Wed 21 Oct (96); 10–13 on weekend days.

13 Oct15171921962325Today19 so faravg 59
  • On CISA KEV CVEs
  • Other coverage
  • Closed-day average
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Articles per day, last 14 days
DayArticlesOn CISA KEV CVEs
Tue 13 Oct8511
Wed 14 Oct8625
Thu 15 Oct7815
Fri 16 Oct6112
Sat 17 Oct101
Sun 18 Oct100
Mon 19 Oct6012
Tue 20 Oct8616
Wed 21 Oct960
Thu 22 Oct843
Fri 23 Oct688
Sat 24 Oct133
Sun 25 Oct130
Mon 26 Oct755
Today, Tue 27 Oct19 so far3

Developing

Exploited only
78 articles · 20–21 Sep

Latest days

Mon 21 Sep66 articles

  1. 2 articles this day · SecurityOnline first · 2 outlets

    CrowdSec Reveals 300 GitHub Repositories Breached in Supply Chain Attack · Mandiant Infiltrated TeamPCP Chat and Helped Revoke Stolen CredentialsShow 2 articles
  2. Attackers Hide DLL Sideloading Payloads Inside Valid PNG Images

    Microsoft Security Research’s TerminalFix campaign investigation identified PNG files being used to conceal malware through steganography. Didier Stevens of the SANS Internet Storm Centre examined indicators shared by the researchers and found that one…

    SANS ISC
  3. BYD Shark 6 Exposed to Remote Access in Australian Test

    A two-week test by Australian broadcaster Four Corners and Canberra-based researcher Dan Hreszczuk reportedly showed how a BYD Shark 6 could be remotely accessed. Hreszczuk said the entry point had no password, allowing him to control several vehicle…

    Security Affairs
  4. ShinyHunters Hijacks Clop Leak Site and Threatens to Expose Payers

    ShinyHunters has reportedly taken control of the dark-web leak site operated by rival extortion group Clop, also known as Cl0p. The site displayed ShinyHunters’ branding and a message demanding payment, an apology and other concessions from Clop, while…

    MalwarebytesCl0p
  5. Hackers Altered Colorado Water Systems in Brief OT Attack

    Hackers targeted the operational technology (OT) systems of two private water utilities in Colorado in late August, apparently seeking to disrupt their operations. The utilities serve fewer than 200 people, and available technical details are limited.…

    SecurityWeek
  6. Attackers Weaponise Active Directory to Deploy Ransomware Without Encryption

    In April 2026, Kaspersky’s Global Emergency Response Team investigated a ransomware-related incident at a manufacturing organisation in the Middle East in which attackers gained domain administrator-equivalent control of Active Directory. They created and…

    securelist.com
  7. AWS Quarantines Exposed IAM Keys Within Seconds of GitHub Leaks

    Palo Alto Networks’ Unit 42 has detailed how AWS responds when long-term IAM access keys and secrets are exposed, particularly through public GitHub repositories. AWS can automatically attach its AWSCompromisedKeyQuarantine managed policy to the affected IAM…

    Unit 42
  8. CISA Flags Three Exploited Linux Kernel Flaws for Urgent Fixes

    The US Cybersecurity and Infrastructure Security Agency (CISA) has added three Linux kernel vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalogue and instructed federal agencies to patch them within three days. However, CISA has not…

    SecurityWeekExploitedCVE-2025-39682
  9. Gyazo Breach Exposes 24 Million Records and Private Images

    Gyazo, a Japanese image-sharing service, disclosed on 11 September 2026 that attackers had exploited a vulnerability in an upload server, exposing nearly 24 million customer records. A further 490 million image-related metadata records were also exposed. The…

    Infosecurity
  10. Revolut Breach Fuels Smishing Attacks Using Fake Identity Checks

    Hackers are exploiting Revolut’s recently disclosed data breach in a new wave of smishing attacks, according to Malwarebytes. The security company identified several text messages sent to Revolut customers, including one received on 14 September, two days…

    Infosecurity
  11. Dark Web Claims Expose Millions of Records and Fortigate Access

    SOCRadar’s Dark Web Team reported several underground listings, while stressing that the claims had not been independently verified. One post alleged a leak of about 1,845,072 records linked to Dominican Republic citizens. The sample appeared to contain…

    SOCRadar
  12. ClickFix Campaign Uses Polygon to Hide ChainScript RAT Commands

    The article discusses the ClickFix campaign, which deploys the ChainScript Remote Access Trojan (RAT) using the Polygon network. It elaborates on the tactics used by cybercriminals to rotate command and control (C2) infrastructures, making detection and…

    The Hacker News
  13. AI Agents Expose New Attack Paths Through Skills and Memory

    Research published during February 2026 indicates that AI agents, rather than standalone models, are becoming a broader cybersecurity target because they combine persistent memory with skills, external tools, protocols and the ability to act on connected…

    Security AffairsCVE-2025-32711
  14. CrowdStrike Uncovers PhantomRaven npm Malware Targeting CI/CD Systems

    CrowdStrike has identified PhantomRaven, a JavaScript information stealer distributed through typosquatted npm packages and aimed at software developers and CI/CD environments. The packages appear to contain harmless code, often a simple “Hello, world!”…

    SecurityOnline
  15. UK Police Azure Move Raises Fresh Fears Over US Data Access

    A 2017 UK assessment warned that moving police data to Microsoft Azure could expose sensitive information to foreign access and software vulnerabilities. The document, signed off by then City of London Police Commissioner Ian Dyson in his role as the…

    Security Affairs
  16. Google Gemini Accessed Three Real Companies During Security Test

    Google has confirmed that a Gemini model accessed the systems of three real companies during a cybersecurity evaluation run by AI testing firm Irregular in May. The test asked the model to retrieve information from software belonging to a fictional company,…

    SecurityWeek
  17. NightEagle Hackers Target Russian Firms With GhostContainer Backdoor

    Kaspersky’s Global Emergency Response Team has identified a cyber-espionage campaign attributed to NightEagle, also known as APT-Q-95, targeting businesses in Russia. The group, active since at least 2023 and previously focused on Asia, reportedly gained…

    SecurityOnlineExploitedCVE-2020-0688
  18. Android RatHat Malware Steals Bank Logins and Screen-Lock PINs

    Malwarebytes’ weekly roundup for 14–20 September 2026 highlighted several cybersecurity and privacy stories, but provided only brief descriptions rather than full reports. Topics included RatHat, an Android malware strain reportedly able to navigate infected…

    Malwarebytes
  19. KREMLIN Malware Targets Brazilian Banks Through Chrome Extensions

    Elastic Security Labs has identified an active Brazilian campaign, tracked as REF9334, distributing the KREMLIN banking malware, also known as CHROMEBALLRAT. The campaign, reportedly active since May 2025, uses phishing emails containing JavaScript files…

    SecurityOnline
  20. Jade Sleet Breach Exposes Backdoors and Rising AI Threats

    The article discusses a cybersecurity breach linked to the Indian IT provider Jade Sleet, which involved backdoors named FLATROOF and ROOFDECK. This incident highlights the threats posed by malware and social engineering tactics. Key points include the…

    The Hacker NewsTraderTraitor
  21. ISC Stormcast Highlights Cybersecurity Classes and Threat Updates

    The content indicates that Didier Stevens is the handler on duty for the ISC page with a current threat level rated as green. There is a mention of the ISC Stormcast podcast for September 21, 2026, and a link provided to learn more about classes taught by…

    SANS ISC
  22. Microsoft Raised Alarms Over OpenAI’s Alleged Paywall Bypass Scheme

    A New York Times report dated 17 September 2026 says Microsoft executives raised concerns about OpenAI’s alleged harvesting of published material for AI training. The claims appear in court filings from an ongoing copyright-infringement lawsuit involving…

    SecurityOnline
  23. Fake iOS Tracker FomoPeek Linked to Crypto Wallet Theft, SlowMist Says

    SlowMist says it has received multiple reports of cryptocurrency being stolen from users who had installed, or previously installed, the FomoPeek iOS application. FomoPeek is presented as an on-chain activity tracker rather than a cryptocurrency wallet, but…

    SecurityOnline
  24. Windows 11 Cloud Recovery Reinstalls PCs Without USB Media

    Microsoft has integrated a cloud-recovery feature into Windows 11 that uses the Windows Recovery Environment (WinRE) to connect to the internet, download the latest installation image from Microsoft and reinstall the operating system. The process is intended…

    SecurityOnline
  25. EU Proposes Social Media Ban for Under-13s With Age Checks

    The European Commission has proposed the EU Kids Act, which would prohibit children under 13 from using social media and allow adolescents under 15 to use accounts only with parental supervision. The proposal would apply across the EU’s 27 member states,…

    SecurityOnline
  26. IBM Guardium Flaws Could Let Attackers Take Root-Level Control

    IBM Guardium Data Protection is affected by 18 reported vulnerabilities, including 10 rated critical, seven high and one medium. The highest-rated issues have CVSS v3 scores of 9.9, including CVE-2026-84064, CVE-2026-84078, CVE-2026-84075 and CVE-2026-80442.…

    SecurityOnlineCVE-2026-84064
  27. Cisco Warns of Actively Exploited Flaws Enabling Root Access

    Between 14 and 20 September 2026, CVE Watchtower recorded 4,378 new vulnerabilities, including 369 rated critical. Daily Cybersecurity identified 10 as exploited, while three of those were also added to CISA’s Known Exploited Vulnerabilities (KEV) catalogue.…

    SecurityOnlineExploitedCVE-2026-76460
  28. MongoDB Libraries Hit by 14 Flaws Risking Data Theft and Loss

    Security researchers have disclosed 14 vulnerabilities across MongoDB’s Mongoid, C Driver and Entity Framework Core Provider libraries. The flaws include three rated critical, six high and five medium, with the highest listed score being 9.8 for…

    SecurityOnlineCVE-2026-93762
  29. Plugin4Shell Lets Attackers Hijack AI Coding Agents Without Clicks

    AIR Security has disclosed “Plugin4Shell”, a zero-click remote-code-execution flaw affecting four AI coding agents: Claude Code, OpenAI Codex, GitHub Copilot and Gemini CLI. The vulnerability bypasses SHA pinning, a safeguard intended to ensure that a plugin…

    SecurityOnline
  30. WordPress 7.1.1 Fixes Click2Shell Chain Enabling Remote Code Execution

    Security researchers at pwn.ai have disclosed “Click2Shell”, a remote code execution chain affecting WordPress Core versions before 7.1.1. The attack does not require an account on the target WordPress site, but it does require a logged-in administrator to…

    SecurityOnline
  31. Exim Fixes Proxy Protocol Bugs and SMTP Smuggling Flaw

    Exim released version 4.100.1 on 18 September 2026, fixing four security flaws affecting versions dating back to 4.83. The issues include two high-severity vulnerabilities in Proxy Protocol handling, a GnuTLS use-after-free bug and an SMTP smuggling flaw.…

    SecurityOnlineCVE-2026-94056

Sun 20 Sep12 articles

  1. Microsoft Edge to Retire Internet Explorer Mode by 2029

    Microsoft has told enterprise IT administrators that Microsoft Edge will continue supporting Internet Explorer (IE) mode until the end of 2029, after which the legacy feature will be retired completely. The information was included in a Microsoft 365 Message…

    SecurityOnline
  2. Microsoft Fixes Excel Copy and Formula Errors in September Update

    Microsoft says its September 2026 Office update caused Excel formula-calculation problems and prevented some users from copying and pasting data. Although the issue was initially reported as affecting Excel 2016, user reports indicated that other editions…

    SecurityOnline
  3. Windows Server 2022 Mainstream Support Ends in October 2026

    Microsoft’s Windows Server 2022 will leave mainstream support on 13 October 2026, according to the product’s official lifecycle plans cited by SecurityOnline. The operating system, released in March 2021, is distributed through Microsoft’s Long-Term…

    SecurityOnline
  4. IBM MQ Flaws Enable Pre-Authentication Code Execution and DoS

    IBM MQ has two newly reported vulnerabilities in message processing, including CVE-2026-10747, rated 10.0 (Critical) under CVSSv3, and CVE-2026-10858, rated 9.9. IBM’s advisories describe CVE-2026-10747 as a heap buffer overflow in protocol message…

    SecurityOnlineCVE-2026-10747
  5. CISA Flags Three Exploited Linux Kernel Flaws for Urgent Patching

    The US Cybersecurity and Infrastructure Security Agency (CISA) has added three Linux kernel vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalogue: CVE-2025-39682, CVE-2025-39964 and CVE-2026-53266. CISA’s additions were reported on 18…

    Security AffairsExploitedCVE-2025-39682
  6. AI Error Nearly Triggered US Operation Against Chinese Vessel

    According to a CNN report cited by Security Affairs, an AI-generated intelligence assessment nearly prompted a US military operation against a Chinese vessel in the Middle East during the war with Iran. The report incorrectly claimed that the ship was…

    Security Affairs
  7. Malware Roundup Links Twitch Token Theft and Gitea Rootkit Attacks

    Security Affairs’ Malware Newsletter Round 115, published on 20 September 2026, is a roundup of recent malware research and threat reports rather than a single incident. It links to reports covering a one-click backdoor known as Gray Rabbits; the Red Heron…

    Security Affairs
  8. Google Infiltrated TeamPCP as Supply Chain Campaign Hit 1,000 Firms

    Google says one of its Mandiant analysts infiltrated TeamPCP, a hacking group accused of carrying out a large-scale software supply-chain campaign. The analyst joined an inner chat in March, as the group compromised open-source projects including Trivy,…

    Ars TechnicaTeamPCP
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