Skip to content
Security matters
Security matters
  • APTs
  • Tijdlijn
  • Kill chain
  • Uitgelicht
  • Privacy
Security matters

Multiple London councils’ IT systems disrupted by cyberattack

post, november 26, 2025december 1, 2025

The Royal Borough of Kensington and Chelsea (RBKC) and the Westminster City Council (WCC) announced that they are experiencing service disruptions following a cybersecurity issue. Multiple systems have been impacted by the attack, including phone lines, which prompted the two councils to activate emergency plans to make sure that residents still receive…

Continue Reading

CrowdStrike catches insider feeding information to hackers

post, november 21, 2025februari 4, 2026

American cybersecurity firm CrowdStrike has confirmed that an insider shared screenshots taken on internal systems with hackers after they were leaked on Telegram by the Scattered Lapsus$ Hunters threat actors. However, the company noted that its systems were not breached as a result of this incident and that customers’ data…

Continue Reading

Iranian Hackers Use DEEPROOT and TWOSTROKE Malware in Aerospace and Defense Attacks

post, november 18, 2025november 28, 2025

Suspected espionage-driven threat actors from Iran have been observed deploying backdoors like TWOSTROKE and DEEPROOT as part of continued attacks aimed at aerospace, aviation, and defense industries in the Middle East. The activity has been attributed by Google-owned Mandiant to a threat cluster tracked as UNC1549 (aka GalaxyGato, Nimbus Manticore, or Subtle…

Continue Reading

Chinese State-Sponsored Threat Actors Used Anthropic’s Claude To Automate Global Cyberattacks

post, november 14, 2025november 17, 2025

Anthropic has disclosed a large-scale cyber operation in which a China-aligned threat actor leveraged the Claude Code model to automate exploitation, credential harvesting, and data exfiltration across approximately 30 global targets. The incident represents one of the first documented cases in which an LLM with agentic capabilities was weaponized to…

Continue Reading

Hackers Breach Samsung Galaxy Phones Using A Single WhatsApp Image In Sophisticated Spyware Operation

post, november 8, 2025november 10, 2025

Security researchers at Palo Alto Networks Unit 42 have uncovered a sophisticated espionage campaign leveraging a zero-day vulnerability in select Samsung Galaxy Android devices. The flaw, tracked as CVE‑2025‑21042 (CVSS 8.8), is an out-of-bounds write defect in the libimagecodec.quram.so image-processing library, which could allow remote code execution. According to Unit…

Continue Reading

Ernst & Young (EY) Exposes 4TB Database Online – What Went Wrong?

post, november 1, 2025november 3, 2025

A mistake in the cloud has exposed a vast trove of data belonging to one of the world’s largest professional-services firms. According to multiple independent cyber-security researchers, a 4-terabyte SQL Server backup file belonging to Ernst & Young (EY) was publicly accessible on the internet via Microsoft Azure Storage. While…

Continue Reading

Russian Hackers Target Ukrainian Organizations Using Stealthy Living-Off-the-Land Tactics

post, oktober 29, 2025oktober 31, 2025

Organizations in Ukraine have been targeted by threat actors of Russian origin with an aim to siphon sensitive data and maintain persistent access to compromised networks. The activity, according to a new report from the Symantec and Carbon Black Threat Hunter Team, targeted a large business services organization for two months and…

Continue Reading

Qilin Ransomware Combines Linux Payload With BYOVD Exploit in Hybrid Attack

post, oktober 27, 2025

The ransomware group known as Qilin (aka Agenda, Gold Feather, and Water Galura) has claimed more than 40 victims every month since the start of 2025, barring January, with the number of postings on its data leak site touching a high of 100 cases in June. The development comes as the ransomware-as-a-service…

Continue Reading

Hundreds of People With ‘Top Secret’ Clearance Exposed by House Democrats’ Website

post, oktober 27, 2025november 3, 2025

The sensitive personal details of more than 450 people holding “top secret” US government security clearances were left exposed online, new research seen by WIRED shows. The people’s details were included in a database of more than 7,000 individuals who have applied for jobs over the last two years with Democrats…

Continue Reading

Opnieuw hack bij Albert Heijn-winkels: paspoorten en beoordelingen buitgemaakt

post, oktober 23, 2025oktober 24, 2025

De grootste franchisenemer van Albert Heijn, Bun, is gehackt. Onder meer paspoorten en personeelsdossiers met informatie over salaris, ziekteverzuim en werkbeoordelingen zijn bij de hack gestolen, meldt RTL Nieuws. Bun en Albert Heijn bevestigen dat er een hack heeft plaatsgevonden. Bun heeft 29 Albert Heijn-supermarkten in Nederland, waar zo’n 3500 mensen…

Continue Reading
  • Previous
  • 1
  • …
  • 17
  • 18
  • 19
  • …
  • 47
  • Next

2020 2023 2024 2025 2026 China Iran North Korea Russia ShinyHunters

©2026 Security matters | WordPress Theme by SuperbThemes