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CVE-2026-19868 can let attackers holding credentials for a different login method get past SAML checks, including SAML-enforced MFA.

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.

SonicWall vulnerability SonicWall vulnerability

CVE-2026-19868 can let attackers holding credentials for a different login method get past SAML checks, including SAML-enforced MFA.

OpenAI GPT models OpenAI GPT models

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

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.

Top Cybersecurity Headlines

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

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

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

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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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SecurityWeek’s 2026 Zero Trust Summit will deep-dive into the world of digital identity management and the role of zero-trust principles and associated technologies
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Cybercrime

Released today, Symantec's Internet Security Threat Report 2016 (ISTR) is a data-based analysis of cybersecurity events and issues over the last year. Symantec has been producing these reports for more than 10 years, drawing data from more than 63.8 million attack sensors in more than 150 countries and territories.

Mobile phone-based two-factor authentication (2FA) mechanisms are plagued by synchronization vulnerabilities that allow attackers intercept One-Time Passwords (OTPs) and bypass the security of many financial services, researchers say.

Atmos, a derivative of the ZeuS/Citadel stable, has been detected targeting banks in France. The malware has been active since late 2015, but this seems to be its first concerted use.

The developers behind the Locky ransomware are tireless in their quest to evade security controls and gain a higher infection rate, and they have recently implemented a variety of changes to the ransomware’s code to support their mission.

Every week we hear of several new high profile ransomware incidents affecting hospitals, schools, businesses and government. It’s gotten so bad that cybersecurity agencies in the U.S. and Canada recently issued an alert about the growing number of ransomware attacks affecting health care organizations.

Researchers at Dell SecureWorks and Palo Alto Networks have teamed up to analyze the Ramdo click-fraud malware, a threat that has been infecting computers around the world since late 2013.

SecureWorks plans to offer 9 million shares in an upcoming initial public offering (IPO) at a price between $15.50 and $17.50 per share, according to an S-1 registration statement filed witht the U.S Securites and Exchange Commission (SEC) on Monday.

Several ARRIS SURFboard broadband cable modem models suffer from cross-site request forgery (CSRF) vulnerability that allows an attacker to reboot them without authentication.

A hacktivist group calling itself the Cyber Justice Group announced on Twitter that it has dumped 10GB of data from the Syrian government. The hackers left a message on Pastebin and dumped the data to file sharing site Mega. The data is compressed, and expands to a full 43GB.

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