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Its multi-agent AI platform generates the telemetry an attack would produce to fix gaps in enterprise defenses.

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.

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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Vulnerabilities

Cybercrime

Mobile malware developers are competing for market share by creating highly sophisticated products or low-cost alternatives to existing offerings.An analysis of the mobile malware marketplace conducted by IBM X-Force researchers showed that cybercriminals looking to make a profit by targeting smartphone users have plenty of products to choose from.

Researchers at F5 Networks Security Operations Center (SOC) are warning of a new campaign of the Dridex web fraud malware. Previous campaigns had recently focused attacks on financial institutions in the United Kingdom, but among the new campaign’s malware configurations, only 6 percent of the targeted institutions are UK brands, versus 80 percent in the US and 5 percent in Canada.

Researchers discovered a severe cross-domain authentication bypass vulnerability that could have been exploited by malicious actors to gain access to Office 365 accounts, including email and files. Microsoft patched the issue within 7 hours after learning of its existence.

Facebook said Thursday it had received 13 percent more government requests for user data in the second half of 2015, with more than 46,000 requests worldwide. The leading social network, in its twice-annual "transparency report," said the number of items "restricted" for violating local laws more than doubled compared to the prior six-month period, to 55,827.

Symantec on Thursday said that President and Chief Executive Officer Michael Brown will be stepping down as head of the security firm after a successor has been appointed.A search is currently underway for the Company’s next CEO, and Brown will remain on board until a replacement has been appointed. 

The OpenSSL Project announced on Thursday that it’s preparing patches for several vulnerabilities affecting the crypto library.OpenSSL versions 1.0.2h and 1.0.1t will be released on May 3 between 12:00 and 15:00 UTC. These releases will patch several flaws, including ones rated “high severity.”

Information security firm High-Tech Bridge has launched a new free service to help web site owners and businesses understand and locate domain name threats that could be targeted at them and their customers. Called Domain Security Radar, the new service automatically lists existing domains that could potentially

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