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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 Oct15171921962325Today1 so faravg 59
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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 Oct1 so far1

Developing

Exploited only
94 articles

Latest days

Thu 27 Mar 202594 articles

  1. PlayBoy Locker Ransomware Targets Windows, NAS, and ESXi Systems

    A new ransomware strain, PlayBoy LOCKER, has been identified targeting Windows, NAS, and ESXi systems. First discovered in September 2024 as a Ransomware-as-a-Service (RaaS) offering, the malware later had its full source code put up for sale in November,…

    gbhackers.com
  2. Defense Contractor MORSE to Pay $4.6M to Settle Cybersecurity Failure Allegations

    US defense contractor MORSE Corp has agreed to pay $4.6 million to settle allegations over its cybersecurity failures.

    SecurityWeek
  3. Ransomware Groups Increasingly Adopting EDR Killer Tools

    ESET uncovers a link between RansomHub, Play, Medusa, and BianLian ransomware gangs as more groups adopt tools to disable EDR software.

    SecurityWeek
  4. APT36 Spoofs India Post Website to Infect Windows and Android Users with Malware

    An advanced persistent threat (APT) group with ties to Pakistan has been attributed to the creation of a fake website masquerading as India's public sector postal system as part of a campaign designed to infect both Windows and Android users in the country.…

    The Hacker News
  5. U.S. CISA adds Sitecore CMS and XP, and GitHub Action flaws to its Known Exploited Vulnerabilities catalog

    U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Sitecore CMS and XP, and GitHub Action flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added [1,2] the following…

    Security Affairs
  6. Synology Mail Server Vulnerability Enables Remote System Configuration Tampering

    Synology announced the discovery and resolution of a moderate-severity vulnerability in their Mail Server, which could allow remote authenticated attackers to tamper with non-sensitive system configurations. This issue, documented under CVE-2025-2848,…

    gbhackers.com
  7. Massive Data Breach Hits NSW Online Registry: 9,000+ Files Stolen

    A major cybersecurity incident has struck the New South Wales court system, as cybercrime detectives investigate a significant data breach affecting the Department of Communities and Justice (DCJ). The breach targeted the NSW Online Registry Website (ORW), a…

    gbhackers.com
  8. Dozens of solar inverter flaws could be exploited to attack power grids

    Dozens of vulnerabilities in products from three leading makers of solar inverters, Sungrow, Growatt, and SMA, could be exploited to control devices or execute code remotely on the vendor's cloud platform. [...]

    BleepingComputer
  9. Oracle customers confirm data stolen in alleged cloud breach is valid

    Oracle continues to deny it had any breach, but customers and researchers are claiming otherwise. Lawrence Abrams reports: Despite Oracle denying a breach of its Oracle Cloud federated SSO login servers and the theft of account data for 6 million people,…

    DataBreaches
  10. New Report Explains Why CASB Solutions Fail to Address Shadow SaaS and How to Fix It

    Whether it’s CRMs, project management tools, payment processors, or lead management tools - your workforce is using SaaS applications by the pound. Organizations often rely on traditional CASB solutions for protecting against malicious access and data…

    The Hacker News
  11. Malicious Google Ads Target DeepSeek Users to Spread Malware

    Cybersecurity threats continue to evolve, with malicious actors exploiting popular platforms like Google Ads to spread malware. Recently, a sophisticated campaign targeting DeepSeek users has been uncovered, highlighting the ongoing risks associated with…

    gbhackers.com
  12. Shifting the sands of RansomHub’s EDRKillShifter

    Jakub Souček and Jan Holman report: The RansomHub ransomware-as-a-service (RaaS) operation affiliates were linked to established gangs Medusa, BianLian, and Play, which share the use of RansomHub’s custom-developed EDRKillShifter. ESET researchers take a…

    DataBreaches
  13. Trump’s Top Aides Suffer Another Series of Embarrassing Data Blunders

    Yasmeen Hamadeh reports: When it rains, it pours—at least that’s the case for Mike Waltz and the country’s top national security officials this week. After President Donald Trump’s national security adviser accidentally added a prominent journalist to a…

    DataBreaches
  14. Ransomwared NHS software supplier nabs £3M discount from ICO for good behavior

    Connor Jones reports the latest update on the ransomware attack affecting Advanced Computer Software: The UK’s data protection watchdog is dishing out a £3.07 million ($3.95 million) fine to Advanced Computer Software Group, whose subsidiary’s security…

    DataBreaches
  15. Lucid PhAAS Platform Uses RCS and iMessage to Evade Detection

    The cybersecurity landscape has been disrupted by the emergence of Lucid, a sophisticated Phishing-as-a-Service (PhAAS) platform developed by Chinese-speaking threat actors. This advanced toolkit enables cybercriminals to conduct large-scale phishing…

    gbhackers.com
  16. T-Mobile Coughed Up $33 Million in SIM Swap Lawsuit

    T-Mobile paid $33 million in a private arbitration process over a SIM swap attack leading to cryptocurrency theft.

    SecurityWeek
  17. RedCurl Unleashes New Ransomware Targeting Hyper-V Servers Exclusively

    Cybersecurity researchers at Bitdefender have uncovered a significant evolution in the tactics of the RedCurl threat group, marking their first foray into ransomware deployment. This new strain, dubbed QWCrypt, specifically targets Hyper-V servers,…

    gbhackers.com
  18. CISA Adds Sitecore CMS Code Execution Vulnerability to Exploited List

    The Cybersecurity and Infrastructure Security Agency (CISA) has included a critical deserialization vulnerability affecting Sitecore CMS and Experience Platform (XP). This vulnerability, tracked as CVE-2019-9874, allows unauthenticated attackers to execute…

    gbhackers.com
  19. More Solar System Vulnerabilities Expose Power Grids to Hacking

    Forescout has found dozens of vulnerabilities in solar power systems from Sungrow, Growatt and SMA.

    SecurityWeek
  20. AI Security Firm Straiker Emerges From Stealth With $21M in Funding

    Straiker has emerged from stealth mode with a solution designed to help enterprises secure AI agents and applications.

    SecurityWeek
  21. Top 3 MS Office Exploits Hackers Use in 2025 – Stay Alert!

    Hackers have long used Word and Excel documents as delivery vehicles for malware, and in 2025, these tricks are far from outdated. From phishing schemes to zero-click exploits, malicious Office files are still one of the easiest ways into a victim’s system.…

    The Hacker News
  22. Advanced CoffeeLoader Malware Evades Security to Deliver Rhadamanthys Shellcode

    Security researchers at Zscaler ThreatLabz have identified a new sophisticated malware family called CoffeeLoader, which emerged around September 2024. This advanced loader employs numerous techniques to bypass security solutions and evade detection while…

    gbhackers.com
  23. Arkana Security group claims the hack of US telco provider WideOpenWest (WOW!)

    Arkana Security, a new ransomware group, claims to have breached the telecommunications provider WideOpenWest (WOW!). The new ransomware group Arkana Security claims to have hacked US telecom provider WOW!, stealing customer data. WideOpenWest (WOW!) is a…

    Security Affairs
  24. New “ReaderUpdate” macOS Malware Evolves with Nim and Rust Variants

    Security researchers at SentinelOne have discovered that ReaderUpdate, a macOS malware loader platform that has been active since at least 2020, has significantly evolved with new variants written in multiple programming languages. The malware, which…

    gbhackers.com
  25. PoC Exploit Released for Ingress-NGINX RCE Vulnerabilities

    A recently disclosed vulnerability in Ingress-NGINX, tracked as CVE-2025-1974, has raised concerns about the security of Kubernetes environments. This vulnerability allows for Remote Code Execution (RCE) through the validating webhook server integrated into…

    gbhackers.com
  26. 150,000 Sites Compromised by JavaScript Injection Promoting Chinese Gambling Platforms

    An ongoing campaign that infiltrates legitimate websites with malicious JavaScript injects to promote Chinese-language gambling platforms has ballooned to compromise approximately 150,000 sites to date. "The threat actor has slightly revamped their interface…

    The Hacker News
  27. CVE-2025-2848: Synology Mail Server Vulnerability Allows Remote Configuration Tampering

    A recently disclosed vulnerability in Synology Mail Server could allow remote authenticated attackers to tamper with system configurations,

    SecurityOnline
  28. CodeQLEAKED: GitHub Supply Chain Attack Enables Code Execution via CodeQL Repositories

    A recent discovery has revealed a potential supply chain attack vulnerability in GitHub’s CodeQL repositories, which could have led to wide-ranging consequences for hundreds of thousands of GitHub users. The exploit hinges on a publicly exposed secret found…

    gbhackers.com
  29. CISA Warns of Sitecore RCE Flaws; Active Exploits Hit Next.js and DrayTek Devices

    The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two six-year-old security flaws impacting Sitecore CMS and Experience Platform (XP) to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation. The…

    The Hacker News
  30. Windows Print Glitch Fixed: KB5053657

    Microsoft released the optional non-security update (KB5053657) to Windows 10 and 11 yesterday. These updates are typically intended

    SecurityOnline
  31. NetApp SnapCenter Flaw Could Let Users Gain Remote Admin Access on Plug-In Systems

    A critical security flaw has been disclosed in NetApp SnapCenter that, if successfully exploited, could allow privilege escalation. SnapCenter is an enterprise-focused software that's used to manage data protection across applications, databases, virtual…

    The Hacker News
  32. Exim Use-After-Free Vulnerability Enables Privilege Escalation

    A significant security threat has been uncovered in Exim, a popular open-source mail transfer agent (MTA) widely used in Linux distributions. Identified as CVE-2025-30232, this vulnerability allows for a potentially severe form of exploitation known as a…

    gbhackers.com
  33. OpenAI Offers Up to $100,000 for Critical Infrastructure Vulnerability Reports

    OpenAI has announced major updates to its cybersecurity initiatives. The company is expanding its Security Bug Bounty Program, increasing the maximum reward for critical vulnerability reports to $100,000, up from $20,000 previously. This enhanced program…

    gbhackers.com
  34. Splunk RCE Vulnerability Enables Remote Code Execution via File Upload

    A severe vulnerability in Splunk Enterprise and Splunk Cloud Platform has been identified, allowing for Remote Code Execution (RCE) via file uploads. This exploit can be triggered by a low-privileged user, highlighting significant security risks for affected…

    gbhackers.com
  35. 12 Cybercriminals Arrested After Ghost Communication Platform Shutdown

    Law enforcement agencies have successfully dismantled a clandestine communication platform known as “Ghost,” which was used by cybercriminals to coordinate illicit activities. This significant crackdown resulted in the arrest of 12 key suspects, marking a…

    gbhackers.com
  36. HaveIBeenPwned Creator Becomes Victim of Sophisticated Phishing

    Real-world incidents remind us that even cybersecurity experts are not immune to online deception. This time, the case

    SecurityOnline
  37. Millions at Risk: PoC Exploit Releases for Vite Arbitrary File Read Flaw (CVE-2025-30208)

    Vite, the blazing-fast frontend build tool that powers millions of modern web applications, has been found vulnerable to

    SecurityOnline
  38. CVE-2025-2825: Critical Vulnerability in CrushFTP Exposes Servers to Unauthenticated Access Risk

    Admins urged to patch immediately as CrushFTP discloses high-severity flaw impacting versions 10 and 11. A new high-severity

    SecurityOnline
  39. Splunk Alert: RCE and Data Leak Vulnerabilities Threaten Platforms

    Splunk, a widely used platform for searching, monitoring, and analyzing machine-generated data, has released a security advisory detailing

    SecurityOnline
  40. Synapse Servers at Risk: Zero-Day DoS in the Wild

    A critical zero-day vulnerability has been discovered in Synapse, an open-source Matrix homeserver implementation. This flaw is actively

    SecurityOnline
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