Latest cybersecurity reporting from selected sources.

Unauthenticated Flaw Allows Full Router, Network TakeoverA hidden backdoor, disclosed by CERT/CC and found in multiple firmware versions made by Chinese manufacturer Tenda, bypasses authentication and could grant attackers administrative access. Researchers are reporting exploitation and an Nmap script is making vulnerable devices easier to identify.

Unauthenticated Flaw Allows Full Router, Network TakeoverA hidden backdoor, disclosed by CERT/CC and found in multiple firmware versions made by Chinese manufacturer Tenda, bypasses authentication and could grant attackers administrative access. Researchers are reporting exploitation and an Nmap script is making vulnerable devices easier to identify.

Mythos Found ‘Tens of Thousands’ of Unpatched Flaws With Months to Fix ThemAnthropic CEO Dario Amodei warned that Claude Mythos has found tens of thousands of unpatched software vulnerabilities, with a six-to-12 month window before Chinese AI models catch up. The disclosure came alongside a major financial services push including an investor-backed firm and 10 new AI agents.

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.

F5 Revises Severity of Flaw Disclosed Last YearFlaws in major application delivery and security platforms and VPN gateways are being actively exploited or targeted. Under fire: a vulnerability in F5 BIG-IP Access Policy Manager can facilitate remote code execution, and a "memory overread" flaw in NetScaler Application Delivery Controller.

Also, Russian Signal Phishing, Iran-Linked Malware, Breaches in Spain and FranceThis week, Tycoon 2FA, Trio-Tech, messaging app spying and a ransomware broker sentenced. Iran-linked hackers. Mazda disclosed a breach. Oracle patched a flaw. North Korean actors weaponized VS Code, a Spanish port ransomware attack, a French teacher data breach and a healthcare firm victim surge.

AWS Researchers Find an Interlock Server Laden With ToolsRansomware hackers exploited a flaw with a maximum vulnerability score in Cisco firewall management software weeks before the networking giant disclosed the vulnerability in early March. The group has focused extensively on critical infrastructure sectors in North America and Europe.

Cybersecurity Startup Exposed Lilli Using a Flaw as Old as the WebSecurity startup CodeWall disclosed this week that its autonomous AI agent breached McKinsey's internal AI platform Lilli in two hours on Feb. 28, accessing tens of millions of messages and hundreds of thousands of files through a basic, years-old database flaw.

Juniper Tells Customers to Tune Their FirewallA critical vulnerability in Juniper Networks' primary operating system could give threat actors root level privileges to execute code on Juniper’s PTX Series routers. Successful exploitation would give attackers full command and control over devices without the need for authentication.

Also, CIRO Phishing Breach, Ingram Micro Ransomware and CVE SurgeThis week, DOGE posted sensitive data on an outside server. A phishing attack affected 750,000 Canadians. A hacktivism warning from the U.K. NCSC. An Ingram Micro breach. CVEs surged in 2025. SK Telecom challenged a fine. Researchers disclosed Chainlit flaws. North Korean hackers abused VS Code.

Also: Texas AG Sues Smart TV Manufacturers, Fortinet SSO FlawsThis week, a leadership shakeup at Coupang, attackers exploited critical Fortinet SSO flaws, Pornhub data hacked, Texas Attorney General Ken Paxton sued smart TV makers, auto finance provider 700Credit disclosed a breach affecting millions, A revived pro-Russia ransomware operation stumbled.

Rapid7's Christiaan Beek on Ransomware Tactics and How to Mitigate Attacks in 2026Ransomware attacks are reaching record highs, and 2026 may be even worse, said Christiaan Beek, senior director of threat intel and analytics at Rapid7. He warns that hackers are exploiting vulnerabilities as soon as they're disclosed, and they're focusing on flaws in devices on the network edge.

Also: Fortinet Flaws, Aisuru Botnet and Dutch Police Seize Bulletproof Host ServersThis week, the root cause of the Cloudflare outage, active exploitation of Fortinet flaws, Logitech disclosed a data breach, Microsoft headed off a record-breaking botnet attack, Dutch police seized bulletproof hosting servers and Princeton University disclosed a data breach after a phishing attack.

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.

Cursor Patched Flaw Days After Disclosure, Says Check PointCheck Point researchers found a RCE flaw in Cursor, an AI-powered code editor, by manipulating a previously approved model context protocol configuration. Once a developer approved a configuration file for an MCP server, any future changes to that file could be executed without further prompts.

Security Experts Laud Project Zero's Push for Greater Transparency, Faster PatchesGoogle is trying out a new approach to publicizing flaws found by its in-house bug hunters meant to get patches more rapidly into end users' hands. Under a trial policy effective immediately, Google's Project Zero team will publish a general alert to the public within seven days.

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.

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."

Preauthentication Deserialization Flaw Could Result in Remote Code ExecutionSoftware vendors and national security agencies are urging immediate patching of a critical SonicWall flaw days after the security device manufacturer disclosed that hackers are actively exploiting a zero-day. The flaw doesn't require user authentication.

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.