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The emergency package comes after dozens of companies and government agencies were hit by unauthorized access to their systems and leaks of client data, prompting uneasiness across Japan.

Noteworthy stories that might have slipped under the radar: Synology warns about NAS ransomware attacks, Flowise ‘hello’ attacks, Chainalysis breach impact expands.

Hackers created an account on an internal system and accessed names, email addresses, phone numbers, and business addresses.

Rated Critical for cybersecurity, OpenAI’s new model beats GPT-5.6 Cyber at exploitation while staying in scope more reliably.

The recommendations come amid attacks targeting fridges and freezers in supermarkets and blood banks in Europe.

The October incident will cut fourth-quarter sales by up to €250 million and has led Ahold Delhaize to lower its 2026 outlook.

In a month, 28 residential proxy services used 6 addresses, mainly between 5 p.m. and midnight, Eastern Time.

On Linux distributions using musl libc without PAM, some accounts accept any password between 257 and 1024 characters.

After its sandbox proxy failed, an internal OpenAI model crafted raw packets and probed AWS services trying to reach the internet.

The trio, who have nicknames that include “Rocky Balboa,” “Superman Cash” and “Fat Boy,” often targeted the companies’ accounting departments.

An unreleased OpenAI cyber model found and exploited 948 distinct Linux kernel privilege escalation bugs for about $1.2 million.

More than 200 sites were seen serving phishing content to first-time visitors but not to those who revisit.

The incident comes after supermarkets in a number of European countries reported this week that their fridges and freezers warmed up after they were remotely hacked.

White House cybersecurity White House cybersecurity

In a month, 28 residential proxy services used 6 addresses, mainly between 5 p.m. and midnight, Eastern Time.

SSH vulnerability SSH vulnerability

On Linux distributions using musl libc without PAM, some accounts accept any password between 257 and 1024 characters.

Linux Linux

An unreleased OpenAI cyber model found and exploited 948 distinct Linux kernel privilege escalation bugs for about $1.2 million.

Top Cybersecurity Headlines

Tracked as CVE-2026-107441, the out-of-bounds write flaw could allow attackers to execute OS commands via crafted HTTP requests.

The large-scale watering hole campaign has been targeting entities in the US and Europe, mainly in Ukraine.

Hackers have been harvesting AI access tokens and have been using AI-assisted offensive tools to automate attacks.

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The 2026 Virtual CISO Forum brings together CISOs, senior cybersecurity executives, practitioners, industry experts, and other security leaders to share practical experience and examine the issues shaping enterprise cybersecurity strategy.
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SecurityWeek’s CISO Forum 2026 Year-End Virtual Roundtable will reflect on a landmark year in security and discuss how to fortify your enterprise strategy for 2027.
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Vulnerabilities

Cybercrime

Hackers have dumped a database apparently containing personal details of almost 50 million Turkish citizens. The details were posted to an Icelandic organization that specializes in such data dumps. According to SecurityWeek’s research, the server is hosted in Bucharest, Romania.

The UK Government said it will conduct a joint exercise with the United States next year to test the security of civil nuclear infrastructure against a major cyber attack. Set to be officially announced soon, the exercise will “simulate a cyber attack on nuclear power supplies” to see how the two allies can work together in the event of such a cyber threat.

The cybersecurity industry is bubbling with new technologies that go after the threat du jour. The threat landscape has evolved, and cyber risk from organized crime and nation states represent a clear and present danger. The impact on enterprise security is severe. Our security is only as good as our ability to coherently and consistently put up a solid defense.

As the US tax season draws to a close, authorities are warning of an alarming rise in "phishing" scams designed to steal sensitive personal and financial information.

A researcher has identified a serious path traversal vulnerability in a web-based human machine interface (HMI) product from industrial automation software developer ICONICS.

Marcel Lazar Lehel, the 44-year-old Romanian national accused of hacking into the online accounts of many public figures, has been extradited to the United States where he made his first court appearance last week.

The UK government's attempts to ease the passage of the hugely controversial Investigative Powers Bill continued this week with a Telegraph opinion piece from William Hague (former First UK Secretary of Sate and former leader of the Conservative Party): The Brussels attacks show the need to crack terrorist communications.

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