Latest cybersecurity reporting from selected sources.

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.

The Russia-linked state-sponsored threat actor known as APT28 (aka UAC-0001) has been attributed to attacks exploiting a newly disclosed security flaw in Microsoft Office as part of a campaign codenamed Operation Neusploit

State-backed attackers started poking flaw as soon as it dropped – anyone still unpatched is on borrowed time Amazon has warned that China-nexus hacking crews began hammering the critical React "React2Shell" vulnerability within hours of disclosure, turning a theoretical CVSS-10 hole into a live-fire incident almost immediately.…

Two hacking groups with ties to China have been observed weaponizing the newly disclosed security flaw in React Server Components (RSC) within hours of it becoming public knowledge

A new large-scale botnet called RondoDox is targeting 56 vulnerabilities in more than 30 distinct devices, including flaws first disclosed during Pwn2Own hacking competitions. [...]

Also, Researchers Exploit Tesla Wall Connector Via Charging CableThis week: Chinese Salt Typhoon hackers hit Viasat, researchers hacked a Tesla charger, Sitecore CMS flaws, Krispy Kreme disclosed hacking damage, Archetyp Market taken down. Episource disclosed a ransomware hack and Spain ruled out cyberattack for the April Iberian blackout.

A China-linked unnamed threat actor dubbed Chaya_004 has been observed exploiting a recently disclosed security flaw in SAP NetWeaver

Unauthenticated Hackers Exploit CVE-2025-31324 to Upload WebshellsThreat actors are exploiting a zero-day flaw in a partially deprecated SAP tool still widely used by governments and businesses. On Friday, SAP's security division, Onapsis, disclosed that CVE-2025-31324 is "actively exploited in the wild."

Hackers Targeted a PAN-OS Flaw Days After Its DisclosureA suspected Chinese hacking campaign that began in November is exploiting a vulnerability in Palo Alto firewalls to install a custom malware backdoor for espionage. UNC5325 activity aligns with the Chinese hacking strategy of targeting edge devices.

Also: Critical WHOIS Vulnerability Exposes Internet Security Flaw in .mobi DomainsThis week, cyberthreats rising in Mexico; FBI warned of BEC scams; U.K. police arrested hacking suspect; Avis, Slim CD, Medicare and Fortinet disclosed breaches; Highline public schools reopened after cyberattack; a critical flaw was found in WHOIS; and Konni upped attacks on Russia, South Korea.

Company Starts Patch Rollout for Flaws Exploited by Likely Chinese Intelligence OpCorporate VPN maker Ivanti on Wednesday began a belated patch rollout for zero-day flaws that many cybersecurity firms say paved the way for an espionage hacking operation likely conducted by China. Ivanti also disclosed two more zero-days and told customers that hackers are exploiting one of them.

A hacking group that leveraged a recently disclosed security flaw in the WinRAR software as a zero-day has now been categorized as an entirely new advanced persistent threat (APT)

A suspected Chinese-nexus hacking group exploited a recently disclosed zero-day flaw in Barracuda Networks Email Security Gateway (ESG) appliances to breach government, military, defense and aerospace, high-tech industry, and telecom sectors as part of a global espionage campaign

The U.S. Federal Bureau of Investigation (FBI) is warning that Barracuda Networks Email Security Gateway (ESG) appliances patched against a recently disclosed critical flaw continue to be at risk of potential compromise from suspected Chinese hacking groups

Multiple security flaws uncovered in Sonos One wireless speakers could be potentially exploited to achieve information disclosure and remote code execution, the Zero Day Initiative (ZDI) said in a report published last week

A new security vulnerability has been disclosed in RARlab's UnRAR utility that, if successfully exploited, could permit a remote attacker to execute arbitrary code on a system that relies on the binary

A cryptomining hacking group has been observed exploiting the recently disclosed remote code execution flaw in Atlassian Confluence servers to install miners on vulnerable servers. [...]

Threat actor is using the flaw to deliver Core Impact backdoor on vulnerable systems, security vendor says.