Latest cybersecurity reporting from selected sources.

2025 was a big year for cybersecurity, with cyberattacks, data breaches, threat groups reaching new notoriety levels, and, of course, zero-day flaws exploited in breaches. Some stories, though, were more impactful or popular with our readers than others. This article explores 15 of the biggest cybersecurity stories of 2025. [...]

Cybercrime crew has ravaged multiple private organizations using Oracle EBS zero-day for months The UK's National Health Service (NHS) is investigating claims of a cyberattack by extortion crew Clop.…

While investigating the cyberattacks, researchers uncovered a new spyware product from Memento Labs, the successor to the infamous Hacking Team.

Also, Cyberattack Disrupts Asahi’s Japan Operations, Halts ProductionThis week, FTC sued Sendit, another Harrods breach, Allianz data breach and a cyberattack disrupted Asahi's Japan operations. WestJet disclosed data theft. Hackers targeted Kido Nursery chain, a VMware privilege escalation flaw was exploited as zero-day, DarkCloud infostealer resurfaced.

CVE-2025-43300 is the latest zero-day bug used in cyberattacks against "targeted individuals," which could signify spyware or nation-state hacking.

Also: Spain Defies Pressure to Eject Huawei, Hackers Leak North Korea Kimsuky DataThis week, Norway said Russian hackers attacked a flood gate, Spain defied pressure to eject Huawei, a cyberattack against the Office of the Pennsylvania Attorney General. Hackers leaked stolen North Korean Kimsuky data, Microsoft patched a Kerberos zero-day and a big Chrome bug bounty.

Google Cloud's Hultquist on How State Hackers Exploit Code and Corporate HiringJohn Hultquist, chief analyst at Google Threat Intelligence Group, Google Cloud, discussed how China and North Korea are transforming cyberattacks into organized, factory-like operations. Alongside zero-day exploits, North Korean IT operatives are quietly infiltrating Fortune 500 companies under false identities.

2024 was a big year for cybersecurity, with significant cyberattacks, data breaches, new threat groups emerging, and, of course, zero-day vulnerabilities. Below are fourteen of what BleepingComputer believes are the most impactful cybersecurity stories of 2024. [...]

The second zero-day vulnerability found in Windows NTLM in the past two months paves the way for relay attacks and credential theft. Microsoft has no patch, but released updated NTLM cyberattack mitigation advice.

The Russia-aligned threat actor known as RomCom has been linked to the zero-day exploitation of two security flaws, one in Mozilla Firefox and the other in Microsoft Windows, as part of attacks designed to deliver the eponymous backdoor on victim systems

The "Code-on-Toast" supply chain cyberattacks by APT37 delivered data-stealing malware to users in South Korea who had enabled Toast pop-up ads.

Hackers Could Cause Tanks to Overfill and Disable Leak DetectionIndustrial control systems made by different manufacturers for monitoring fuel storage tanks including those used in everyday gas stations contain critical zero-days that could convert them into targets for cyberattacks that cause physical damage.

Thousands of devices remain vulnerable, US most exposed to the threat Tens of thousands of fuel storage tanks in critical infrastructure facilities remain vulnerable to zero-day attacks due to buggy Automatic Tank Gauge systems from multiple vendors, say infosec researchers. …

Beware of zero-click malware sliding into your DMs Miscreants exploited a zero-day in TikTok to compromised the accounts of CNN and other big names. The app maker has confirmed there was a cyberattack, and that it has scrambled to secure accounts and prevent any further exploitation.…

Experts Warn That Human Failures Have Led to Surge in Successful Zero-Day ExploitsVerizon executives warned that cyber defenders are struggling with fatigue amid a surge in cyberattacks targeting zero-day exploits and other vulnerabilities. It takes most enterprises nearly 55 days on average to mitigate 50% of critical vulnerabilities once patches become available, the DBIR says.

The targeted operation utilized CVE-2017-8570 as the initial vector and employed a notable custom loader for Cobalt Strike, yet attribution to any known threat actor remains elusive.

Threat Actor Exploited Ivanti Zero-Day Vulnerabilities in CyberattackA nation-state threat actor gained access into an unclassified research and development network operated by MITRE, a non-profit that oversees key federal funded research and development centers for the U.S. government, the organization confirmed on Friday.

Also: Ivanti Exploitation Continues; Apple Fixes First Zero-Day of 2024This week, U.S. short seller lender EquiLend Holdings was hacked, the Ivanti exploitation continued, Apple addressed the first zero-day of 2024, Ukraine said hackers had hit a Russian research center, Kasseika ransomware evolved, North Korean hackers were active, and Trello experienced a data leak.

2023 was a big year for cybersecurity, with significant cyberattacks, data breaches, new threat groups emerging, and, of course, zero-day vulnerabilities. [...]

The critical vulnerability involves uninstalling third-party security products and has been used in cyberattacks.