Netherlands Faces Greatest National Security Threat Since World War Two

Dutch intelligence agency AIVD says the Netherlands is facing the greatest national security threat in decades. 

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Security Leaders Discuss the Claude Mythos Breach

What security experts are saying about the Claude Mythos breach. 

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NIST’s New Prioritization Criteria for CVEs, Examined by Experts

NIST recently changed to how it handles CVEs. 

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Unauthorized Users Accessed Claude Mythos, New Reports Suggest

Anthropic’s new AI model may have been accessed by unauthorized users. 

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Hackers Claim 19M Records Stolen From French Government Agency

The France Titres discovered a security incident. 

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Security Leaders Discuss the Vercel Breach

Security leaders are discussing the Vercel breach. 

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US Security Agency Leverages Claude Mythos Despite Pentagon Blacklist

Reports suggest that the NSA is using Claude Mythos. 

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Vercel Breach Originated from an Employee’s AI Tool

This breach occurred due to a third-party AI tool. 

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58% of Organizations Spend Over 10 Hours a Month Securing AI-generated Code

A recent report by Cloudsmith found that 31% of organizations using AI-generated code spend 10 hours or less per month validating, auditing, or securing it.

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Top 3 Cyber Insurance Incident Claims

A new report reveals the top three cyber incidents that account for a majority of reported claims. 

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What Are Security Experts Saying About OpenAI’s GPT-5.4-Cyber?

OpenAI has launched GPT-5.4-Cyber, a model optimized for defensive cybersecurity usage. 

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McGraw Hill Data Breach Caused by Salesforce Misconfiguration

McGraw Hill announced a data breach connected to a Salesforce misconfiguration.

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Pro-Iranian Actor Claims L.A. Metro Cyberattack

New intelligence suggests a pro-Iranian actor is responsible for the L.A. Metro cyberattack. 

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3 Quantum Realities to Confront this World Quantum Day

3 quantum realities security leaders need to confront. 

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Booking.com Customer Data Hacked, Exposed

Booking.com is warning customers that their information may have been exposed. 

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Top Secret Clearance Holder Charged With Leaking Classified National Defense Information

Former Army employee indicted for allegedly sharing classified national defense information to unauthorized individuals. 

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What Are Security Experts Saying About Claude Mythos and Project Glasswing?

Security experts share their thoughts on Claude Mythos and Project Glasswing with Security magazine. 

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Chinese Supercomputer Allegedly Hacked, 10 Petabytes of Data Stolen

Data has allegedly been stolen from a state-run Chinese supercomputer.

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Iranian-Linked Cyber Actors Target US Critical Infrastructure, Security Leaders Respond

CISA warns that Iranian-connected cyber actors are focusing U.S. critical infrastructure.

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LAPD Records Hacked and Exposed

A data breach has lead to the exposure of sensitive LAPD records. 

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New Trump Administration Budget Cuts $707M from CISA Funding

The White House plans to cut $707M from CISA funding. 

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Breach of FBI Surveillance System Considered a “Major Incident,” Security Experts Weigh In

Security leaders discuss this breach and share insights. 

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World Cloud Security Day: Breaking Down the State of the Cloud Cybersecurity and Physical Security

A snapshot of the state of the cloud in cybersecurity and physical security. 

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AI Startup Mercor, Which Works With Open AI and Anthropic, Confirms Data Breach

Mercor has faced a breach of data. 

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10 Data Security Stories to Know About (March 2026)

Security magazine reviews 10 data security events from March 2026. 

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Security Leaders Share Thoughts on Foster City Cyberattack

A ransomware attack on Foster City, California, triggered a state of emergency to access additional resources to keep systems up and running.

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Hackers Claim to Have Breached Streaming Service CrunchyRoll’s Data

Hackers claim that they breached Sony’s anime streaming service CrunchyRoll. 

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3.7M Records Exposed, Many Belonging to Sears Home Services

Three different databases were publicly exposed, amounting to 3.7 million records. 

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The FBI Buys Data to Track Movement, Location History

Director Patel stated the FBI purchases data that can be leveraged to track a person’s movement and location history.

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Stryker Update: FBI Seizes Website of Iran-Linked Hackers

The FBI has seized the website of the Iranian-linked hackers believed to be behind the recent cyberattack against Stryker. 

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Trump’s Former Counter-Terrorism Official Investigated Over Alleged Leaks

Joe Kent is under investigation for alleged leaks of classified information

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Threat Actors Target the Entire Retail Supply Chain

The full supply chain is at risk for cyberattacks.

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GuardDog Telehealth Accesses Sensitive Medical Records Under False Pretenses

A telehealth organization accessed patient medical data in order to share it with law firms. 

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Fear of Surveillance Leads to Increased VPN Use

Americans are using VPNs for additional privacy.

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Verizon Retail Customer Database Allegedly for Sale by Hackers: 6.3M Customers at Risk

One of the United States’ largest Verizon Authorized Retailers may have been compromised. 

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Targeted Phishing Attack Breaches Biotech Company Data

Intuitive faced a data breach due to a phishing attack. 

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Why Are Platform Ecosystems — Like Salesforce — Often Targeted?

Why is Salesforce — and other platforms like it — such an attractive target to cybercriminals?

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Nuclear Facility Cyberattack Investigated as Possible Iranian Exploit

Poland’s National Centre for Nuclear Research defended against a cyberattack. 

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Suspected Iranian Cyberattack Targets U.S. Medtech Company Stryker

Stryker, a major U.S. medical technology organization, has been disrupted by a cyberattack. 

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Security Leaders Discuss Trump’s Cyber Strategy for America

Security leaders share approval and critiques of Trump’s Cyber Strategy for America. 

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Can the Industry Do More for Women in Security?

While women in security have seen forward progress, the path hasn’t always been linear. 

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Iran Conflict and Cybersecurity: What to Expect in the Next 30 Days

What to expect as the conflict between the United States and Iran unfolds. 

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Coupang Data Breach Leads to Q4 Losses

Coupang reported Q4 losses, with revenue totaling below the estimates of analysts.

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1M Impacted by University of Hawaii Cancer Center Breach

The University of Hawaiʻi Cancer Center’s Epidemiology Division revealed it experienced a data breach. 

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New Research: 45% Cybersecurity Leaders Work a “Sixth Day”

Nearly half of cybersecurity leaders are working 11 or more extra hours per week. 

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Iranian Apps, Websites Hacked Following US-Israeli Strikes

A wave of cyber operations targeted Iran. 

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4 Data Security Incidents to Know About (February 2026)

Security magazine reviews four data security events, some of which had a widespread impact.

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How AI Could Impact Tax Season Security This Year

The risks surrounding tax season are varied. 

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Human-related security risks rose 90% in 2025

2025 saw a rise in AI-related security risks.

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The 25 Most Vulnerable Passwords of 2026

Research reveals the most insecure passwords of 2026. 

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1.2M Bank Accounts Exposed in French National Bank Account Registry Breach

It is currently unknown how many accounts had data accessed and/or extracted. 

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Global Leaders, Executives Exposed in Data Leak

A financial summit accidentally exposed the passports and state identity cards of more than 700 individuals.

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Conduent Data Breach: Overview and What to Know

This data incident is proving to have widespread repercussions. 

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Epstein File Data Security Update: Raw Code Found in Emails

Reports suggest raw email data was found in select Epstein files. 

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How to Protect Organizations During the Winter Olympics, According to CISOs

CISOs analyze Winter Olympic threats such as phishing, fraud and more. 

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Epstein Files Leak Sensitive Data, Victim Information, and Credentials

Thousands of records released in relation to Jeffrey Epstein have been retracted due to inadequate redactions. 

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7 Data Breaches, Exposures to Know About (January 2026)

7 data incidents that made headlines in January. 

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Is Renewing CISA Enough to Restore Confidence for Cyber Threat Reporters?

Stop-and-go authorizations undermine real-time threat sharing. 

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77% of Financial Service Organizations Accrued Security Debt in 2025

Financial service organizations accrue security debt.

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Grid Protection in Severe Weather: What Security Leaders Need to Know

Malicious cyber actors may take advantage of weather crises. 

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Dresden State Art Collections Targeted in Cyber Breach

Digital infrastructure for the Dresden State Art Collections was impacted by a cyber incident. 

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Security Vendors, Fortune 500 Companies Exposed and Exploited

Customer-managed business cloud environments are being actively exploited. 

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Expert Insight on Under Armour’s Exposed Customer Data

72 million emails have been exposed. 

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Two Unique DHS Cyber Incidents Exposed 1M People’s Data

Within two weeks of each other, two separate states have announced data security incidents.

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Lawsuit Filed After 320,000 Impacted by Monroe University Breach

The lawsuit claims the university didn’t enact reasonable data security measures. 

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Grubhub Data Stolen in Confirmed Hack, Questions Remain

The specifics of the Grubhub hacking remain unclear. 

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This Website Exposed ICE Data — Now, It’s Faced a Cyberattack

ICE experienced a breach of personally identifiable information.

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What You Need to Know About the New LinkedIn Phishing Scheme

A phishing scam has spread across LinkedIn. 

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Dark Web Forum Breached, Hackers Exposed

BreachForums faced a data breach of its own. 

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Target’s Source Code Confirmed Stolen: Why Does This Matter?

Source code theft can leave an organization more vulnerable than before. 

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Security Leaders Discuss FBI Warning: North Korea Exploiting QR Codes

What security leaders are saying about the recent FBI warning. 

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New Update on Jaguar Land Rover Cyberattack: Q3 Wholesales Down 43%

6 months after facing a cyberattack, JLR releases an update. 

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New Malware Campaign Targeting Hospitality Sector

Security leaders discuss a new campaign targeting hospitality. 

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Google Cloud Service Exploited in New Phishing Campaign

A phishing campaign is exploiting this Google service. 

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Communication Criticized in Handling of Recent Healthcare Hack

This organization’s post-breach communication concerned some individuals. 

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