Latest cybersecurity reporting from selected sources.

Also, US Sanction Cybercrime Enablers, Celine Dion Ticket ScamThis week, ransomware victims paying less, cybercrime sanctions, Celine Dion ticket scams, 23andMe to pay $18 million, a 13-year old Daixin infection, Spiral ransomware, Patch Tuesday, CISA ordered rapid SharePoint patching and Spanish police busted a cybercrime ring. Sore Egyptian World Cup losers.

On July 2, 2026, CISA added CVE-2026-45659, a SharePoint Server RCE, to its Known Exploited Vulnerabilities catalog with a two-day patch deadline. Storm-2603 is using it to stage Warlock ransomware, living off the land the whole way. Here is why it matters, plus a free 12-rule Sigma pack to hunt it.

CISA confirms BlueHammer (CVE-2026-33825) is now used in ransomware attacks to gain SYSTEM privileges through Microsoft Defender. BlueHammer, tracked as CVE-2026-33825, has moved from proof-of-concept noise to real ransomware attacks in the wild, the US CISA confirms. BlueHammer allows attackers to escalate privileges locally in Microsoft Defender. The vulnerability, along with two other zero-days dubbed […]

CISA confirmed on Monday that ransomware gangs are now exploiting a Microsoft Defender privilege escalation vulnerability, dubbed BlueHammer, that has previously been abused in zero-day attacks. [...]

Also, Arch Linux Attack, Estonia Quarantines Russian Emails, Joomla FlawThis week, ShinyHunters leaked alleged Madison Square Garden data, a U.S. senator pressed CISA on regional staffing cuts, an Arch Linux supply-chain attack, Mackay Sugar began recovery from a ransomware attack, Novo Nordisk faced dueling breach claims - and more compelling cybersecurity news.

CISA has ordered U.S. government agencies to secure their Check Point Remote Access VPN and Mobile Access deployments against a critical vulnerability exploited in zero-day attacks by Qilin ransomware affiliates. [...]

Exploitation was underway before patches landed, at least one victim reports ransomware demand CISA has added a critical cPanel bug to its known-exploited list, confirming that attackers are already poking holes in one of the internet's most widely used hosting stacks.…

Also, Europol Cracks DDoS Networks, Mythos Finds Bugs, France Portal HitThis week, scam compounds. Attackers exploit flaws pre-disclosure. A crackdown on DDoS-for-hire. No Mythos for CISA, yes for Mozilla. France ID portal breach. Israeli and Venezuelan critical infrastructure targeted. Russian hacking in Ukraine. An Apache flaw. A ransomware negotiator aided BlackCat.

Lawmakers decry CISA cuts: 'We are shooting ourselves in the foot' If a cyberattack leads to a death, that's murder. A former FBI cyber division chief urged the US Justice Department to consider felony homicide charges against ransomware actors when attacks on hospitals lead to patient deaths.…

CISA added CVE-2026-20131 to its KEV catalog as it is being used in ransomware campaigns

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has urged government agencies to apply patches for two security flaws impacting Synacor Zimbra Collaboration Suite (ZCS) and Microsoft Office SharePoint, stating they have been actively exploited in the wild

Hackers are actively exploiting the CVE-2026-1731 vulnerability in the BeyondTrust Remote Support product, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) warns. [...]

Also: Spanish Hacker Granted Russian Asylum, Microsoft Patches Zero-DaysThis week, a CISA warning, Nest footage in Nancy Guthrie case, Signal phishing. Spanish hacker, Russian asylum. Spanish ministry services offline. BYOVD ransomware. The Conduent breach hit Volvo. Microsoft patched zero-days. ZeroDayRAT targeted devices. The SmarterMail breach. Another Fortinet flaw.

The Cybersecurity & Infrastructure Security Agency (CISA) in the U.S. has issued a warning about CVE-2026-24423, an unauthenticated remote code execution (RCE) flaw in SmarterMail that is used in ransomware attacks. [...]

A third of the "flipped" CVEs affected network edge devices, leading one researcher to conclude, "Ransomware operators are building playbooks around your perimeter."

CISA confirmed on Wednesday that ransomware gangs have begun exploiting a high-severity VMware ESXi sandbox escape vulnerability that was previously used in zero-day attacks. [...]

GreyNoise's Glenn Thorpe counts the cost of missed opportunities On 59 occasions throughout 2025, the US Cybersecurity and Infrastructure Security Agency (CISA) silently tweaked vulnerability notices to reflect their use by ransomware crooks. Experts say that's a problem.…

Also: Akira Ransomware Targets Healthcare, AI's Sycophancy Becomes a Security RiskIn this week's ISMG Editors' Panel, four editors discussed the staffing crisis confronting America's cyber defense agency, the escalating Akira ransomware threat putting more pressure on healthcare, and growing concerns over whether AI models used in security can actually be trusted.

Advisory updated as leading cybercrime crew opens up its target pool The US Cybersecurity and Infrastructure Security Agency (CISA) has issued new guidance to organizations on the Akira ransomware operation, which poses an imminent threat to critical sectors.…

US government agencies are warning that the Akira ransomware operation has been spotted encrypting Nutanix AHV virtual machines in attacks.  [...]