• About Us
  • Contact Us
  • Editorial Calendar
  • Careers
  • The Cyber Express by Cyble Vulnerability Disclosure Policy
  • Cyble Trust Portal
The Cyber Express
  • MagazineDownload
  • Firewall Daily
    • All
    • Bug Bounty & Rewards
    • Dark Web News
    • Data Breach News
    • Hacker News
    • Ransomware News
    • Vulnerabilities
    KDDI data breach

    KDDI Data Breach May Have Exposed Up to 14.22 Million Email Accounts

    National Health Care Fraud Takedown

    National Health Care Fraud Takedown Charges 455 Defendants in $6.5 Billion Fraud Crackdown

    vulnerabilities in QNAP NAS

    Multiple Vulnerabilities in QNAP NAS Devices Resolved Through Security Updates

    Transport for London cyberattack

    TfL Hackers Plead Guilty After Breach Exposed Customer Data and Cost £29 Million

    AI Cyber Risk

    Cyber Risk Assumptions Are Becoming Obsolete Due to AI, Warn Five Eyes

    Sunil Varkey

    Sunil Varkey Joins Hexaware Technologies as EVP & CISO

    weekly roundup TCE

    The Cyber Express Weekly Roundup: Cybersecurity Weekly Round on Emerging Threats, Data Breaches, and Global Policy Shifts

    CVE-2026-48907

    CVE-2026-48907 and LiteSpeed cPanel Plugin Flaws Come Under Active Attack

    SocGholish Malware

    Operation Endgame Hits SocGholish Malware Network, 14,971 Websites Cleaned

    Trending Tags

    • blackbyte ransomware
    • Ransomware
    • lapsus$ ransomware
    • Apple
    • Apple vulnerability
  • Essentials
    • All
    • Compliance
    • Governance
    • Policy Updates
    • Regulations
    FBI Warns of Malicious Traffic

    FBI Warns of a Hidden Web Tactic Fueling Phishing and Ransomware

    Ukraine Joins EU Cybersecurity Reserve

    What Ukraine’s Entry Into the EU Cybersecurity Reserve Means

    UK social media ban

    UK Social Media Ban for Under-16s Could Take Effect by Spring 2027

    Ransomware Preparedness

    Ransomware Preparedness Must Be a Boardroom Priority: NCSC Chief

    AI legal assistants

    AI Heads to UK Courts, Bringing New Cybersecurity and Governance Challenges

    VerdantBamboo

    China’s VerdantBamboo Experimented With Three Re-Entries and Three Malware in a Company Network

    Crypto Scam, Crypto

    New Threat Actor Targets Crypto Firms’ Development Infrastructure

    Pink, Pink Extortion, CL-CRI-1147

    Pink Extortion Group Emerges Targeting Microsoft 365 Data

    AI-Powered Bots

    AI-Powered Bots Are Blurring the Line Between Users and Cyber Threats

    • Regulations
    • Compliance
    • Governance
    • Policy Updates
  • Knowledge Hub
    • All
    • How to
    • What is
    Google Chrome

    How to Remove Saved Passwords From Google Chrome (And Why You Should)

    DPDP Rules, Cyble, DPDP Act, Cyble Vantage

    How Cyble’s Front-Row Vantage Can Help You in Complying to India’s DPDP Act

    Cybersecurity Countries

    The Top 8 Countries Leading the Cyber Defense Race in 2025

    link building

    The Link Building Secrets Your Competitors Don’t Want You to Know

    Supply Chain Attack

    Supply Chain Resilience and Physical Security: Lessons for 2025

    Healthcare cybersecurity trends of 2024

    Healthcare Cybersecurity: 2024 Was Tough, 2025 May Be Better

    CEO's Guide to Take-Down Services

    Shield Your Organization: CEO’s Perspective on Take-Down Services

    Azure sign-in Microsoft

    Microsoft Announces Mandatory MFA for Azure Sign-ins to Bolster Cloud Defenses

    Signal Proxy, Signal, Signal Ban in Russia, Signal Ban in Venezuela, Bypass Signal Ban, How to Activate Signal Proxy, Signal Proxy Server

    How to Set Up Signal Proxy to Help Bypass Censorship in Russia and Venezuela

  • Features
    • Cyber Warfare
    • Espionage
    • Workforce
      • Learning & Development
  • Business
    • All
    • Appointments
    • Budgets
    • Mergers & Aquisitions
    • Partnerships
    • Press Release
    • Startups
    Sunil Varkey

    Sunil Varkey Joins Hexaware Technologies as EVP & CISO

    AI Chip, Chip Security Act

    Congress Wants a GPS Tracker on Every Advanced AI Chip America Exports

    Fraud, Agentic AI, AI-assisted Cyberattacks

    Agentic AI Run Fraud Campaigns Earning 4.5 Times More: Interpol

    Stryker, Stryker Cyberattack, CISA, Handala

    Stryker Says Cyberattack Disrupted Processing, Manufacturing and Shipping

    INC Ransom, Western Critical Infrastructure, Critical infrastructure, Russian GRU, Russian Threat Actor, Sandworm, APT44, Energy Supply Chain, Energy Infrastructure

    INC Ransom’s Franchise Model Is Putting Critical Infrastructure on the Chopping Block

    Terrorist Cyberattacks, UAE Cyber Security Council

    UAE Blocked AI-Powered Terrorist Cyberattacks Targeting Critical Infrastructure

    Eurail Breach, Eurail

    Eurail Breach Escalates as Stolen Passport Data and IBANs Surface on Dark Web for Sale

    Discord teen-by-default settings

    Discord Introduces Stronger Teen Safety Controls Worldwide

    The Cyber Express cybersecurity roundup

    The Cyber Express Weekly Roundup: FortiOS Exploits, Ransomware, Hacktivist Surge, and EU Telecom Rules

    • Startups
    • Mergers & Aquisitions
    • Partnerships
    • Appointments
    • Budgets
    • Research
      • Whitepapers
      • Sponsored Content
      • Market Reports
    • Interviews
      • Podcast
  • Events
    • Conference
    • Webinar
    • Endorsed Events
  • Advisory Board
No Result
View All Result
  • MagazineDownload
  • Firewall Daily
    • All
    • Bug Bounty & Rewards
    • Dark Web News
    • Data Breach News
    • Hacker News
    • Ransomware News
    • Vulnerabilities
    KDDI data breach

    KDDI Data Breach May Have Exposed Up to 14.22 Million Email Accounts

    National Health Care Fraud Takedown

    National Health Care Fraud Takedown Charges 455 Defendants in $6.5 Billion Fraud Crackdown

    vulnerabilities in QNAP NAS

    Multiple Vulnerabilities in QNAP NAS Devices Resolved Through Security Updates

    Transport for London cyberattack

    TfL Hackers Plead Guilty After Breach Exposed Customer Data and Cost £29 Million

    AI Cyber Risk

    Cyber Risk Assumptions Are Becoming Obsolete Due to AI, Warn Five Eyes

    Sunil Varkey

    Sunil Varkey Joins Hexaware Technologies as EVP & CISO

    weekly roundup TCE

    The Cyber Express Weekly Roundup: Cybersecurity Weekly Round on Emerging Threats, Data Breaches, and Global Policy Shifts

    CVE-2026-48907

    CVE-2026-48907 and LiteSpeed cPanel Plugin Flaws Come Under Active Attack

    SocGholish Malware

    Operation Endgame Hits SocGholish Malware Network, 14,971 Websites Cleaned

    Trending Tags

    • blackbyte ransomware
    • Ransomware
    • lapsus$ ransomware
    • Apple
    • Apple vulnerability
  • Essentials
    • All
    • Compliance
    • Governance
    • Policy Updates
    • Regulations
    FBI Warns of Malicious Traffic

    FBI Warns of a Hidden Web Tactic Fueling Phishing and Ransomware

    Ukraine Joins EU Cybersecurity Reserve

    What Ukraine’s Entry Into the EU Cybersecurity Reserve Means

    UK social media ban

    UK Social Media Ban for Under-16s Could Take Effect by Spring 2027

    Ransomware Preparedness

    Ransomware Preparedness Must Be a Boardroom Priority: NCSC Chief

    AI legal assistants

    AI Heads to UK Courts, Bringing New Cybersecurity and Governance Challenges

    VerdantBamboo

    China’s VerdantBamboo Experimented With Three Re-Entries and Three Malware in a Company Network

    Crypto Scam, Crypto

    New Threat Actor Targets Crypto Firms’ Development Infrastructure

    Pink, Pink Extortion, CL-CRI-1147

    Pink Extortion Group Emerges Targeting Microsoft 365 Data

    AI-Powered Bots

    AI-Powered Bots Are Blurring the Line Between Users and Cyber Threats

    • Regulations
    • Compliance
    • Governance
    • Policy Updates
  • Knowledge Hub
    • All
    • How to
    • What is
    Google Chrome

    How to Remove Saved Passwords From Google Chrome (And Why You Should)

    DPDP Rules, Cyble, DPDP Act, Cyble Vantage

    How Cyble’s Front-Row Vantage Can Help You in Complying to India’s DPDP Act

    Cybersecurity Countries

    The Top 8 Countries Leading the Cyber Defense Race in 2025

    link building

    The Link Building Secrets Your Competitors Don’t Want You to Know

    Supply Chain Attack

    Supply Chain Resilience and Physical Security: Lessons for 2025

    Healthcare cybersecurity trends of 2024

    Healthcare Cybersecurity: 2024 Was Tough, 2025 May Be Better

    CEO's Guide to Take-Down Services

    Shield Your Organization: CEO’s Perspective on Take-Down Services

    Azure sign-in Microsoft

    Microsoft Announces Mandatory MFA for Azure Sign-ins to Bolster Cloud Defenses

    Signal Proxy, Signal, Signal Ban in Russia, Signal Ban in Venezuela, Bypass Signal Ban, How to Activate Signal Proxy, Signal Proxy Server

    How to Set Up Signal Proxy to Help Bypass Censorship in Russia and Venezuela

  • Features
    • Cyber Warfare
    • Espionage
    • Workforce
      • Learning & Development
  • Business
    • All
    • Appointments
    • Budgets
    • Mergers & Aquisitions
    • Partnerships
    • Press Release
    • Startups
    Sunil Varkey

    Sunil Varkey Joins Hexaware Technologies as EVP & CISO

    AI Chip, Chip Security Act

    Congress Wants a GPS Tracker on Every Advanced AI Chip America Exports

    Fraud, Agentic AI, AI-assisted Cyberattacks

    Agentic AI Run Fraud Campaigns Earning 4.5 Times More: Interpol

    Stryker, Stryker Cyberattack, CISA, Handala

    Stryker Says Cyberattack Disrupted Processing, Manufacturing and Shipping

    INC Ransom, Western Critical Infrastructure, Critical infrastructure, Russian GRU, Russian Threat Actor, Sandworm, APT44, Energy Supply Chain, Energy Infrastructure

    INC Ransom’s Franchise Model Is Putting Critical Infrastructure on the Chopping Block

    Terrorist Cyberattacks, UAE Cyber Security Council

    UAE Blocked AI-Powered Terrorist Cyberattacks Targeting Critical Infrastructure

    Eurail Breach, Eurail

    Eurail Breach Escalates as Stolen Passport Data and IBANs Surface on Dark Web for Sale

    Discord teen-by-default settings

    Discord Introduces Stronger Teen Safety Controls Worldwide

    The Cyber Express cybersecurity roundup

    The Cyber Express Weekly Roundup: FortiOS Exploits, Ransomware, Hacktivist Surge, and EU Telecom Rules

    • Startups
    • Mergers & Aquisitions
    • Partnerships
    • Appointments
    • Budgets
    • Research
      • Whitepapers
      • Sponsored Content
      • Market Reports
    • Interviews
      • Podcast
  • Events
    • Conference
    • Webinar
    • Endorsed Events
  • Advisory Board
No Result
View All Result
The Cyber Express
No Result
View All Result
Home Cyber News

NATO Takes Action in Response to Cyberattack, SiegedSec Claims Data Breach

NATO Data Breach by SiegedSec raises serious cybersecurity concerns. Stolen documents include hypersonic weapons & drone threats info.

Editorial by Editorial
October 4, 2023
in Cyber News, Cybersecurity Awareness Month, Data Breach News, Firewall Daily, Hacker News
0
NATO Data Breach
640
SHARES
3.6k
VIEWS
Share on LinkedInShare on Twitter

In a recent Cybersecurity update, NATO is dealing with the repercussions of a supposed cybersecurity incident targeting the documents on its websites, which could lead to a revelation of loopholes in the alliance’s cybersecurity architecture.

According to several news reports, NATO Data Breach conducted by a hacker gang SiegedSec, enabled it to steal some 3000 key military plans and surveys from the alliance.

This revelation comes during Cybersecurity Awareness Month, highlighting the stark need for stringent cybersecurity policies and cyber-awareness across the globe.

Organization ‘actively addressing incidents’ of NATO Data Breach

According to CNN, the data stolen from NATO Data Breach, which has been posted on Telegram over the past week, covers a range of critical topics including hypersonic weapons, drone threats, and procedures for radioactive waste testing.

NATO, in response to these cyber intrusions, has stated that it is “actively addressing incidents” affecting the NATO documents and has implemented additional cybersecurity measures.

Fortunately, NATO has assured the public that the NATO Data breach has not impacted its missions, operations, or military deployments.

report-ad-banner

SiegedSec Takes Responsibility of NATO Data Breach

According to Daily Dot, SiegedSec claims to have leaked over 3,000 files from NATO, originating from various portals, including the “NATO Learning Management System” and the “Lessons Learned Portal”.

Some of these files pertain to guidelines for protection and decontamination from chemical, biological, radiological, and nuclear threats.

The content is intended for official use only among NATO and Five Eyes intelligence alliance nations. It remains uncertain whether the leaked data contains any information that is already publicly available.

SiegedSec, described as a “hacktivist” group, leaked the stolen documents on the social media platform Telegram, proudly claiming their actions. This marks the second time in three months that SiegedSec has targeted NATO’s confidential data.

While the group’s motivations remain unclear, they are known for their history of politically motivated hacking, often targeting government websites, particularly in the United States, reports Daily Dot.

Security Concerns Post NATO Data Breach

As per the report published by Daily Dot, the NATO Data Breach has raised concerns over the security of Western governments’ digital infrastructure as they share intelligence amid ongoing geopolitical tensions, such as Russia’s conflict with Ukraine.

Earlier this year, an Air National Guardsman was arrested for allegedly posting classified documents related to the war in Ukraine online, further emphasizing the significance of maintaining robust cybersecurity measures.

This incident follows a previous breach of NATO’s online infrastructure by SiegedSec in July, during which the group claimed to have accessed unclassified documents. These documents included agency personnel names and contact information.

SiegedSec has gained notoriety for its politically motivated hacks, targeting government websites in various states, including Texas, South Dakota, and Nebraska, often focusing on issues related to gender-affirming care and abortion. The group views its actions as a form of protest against government policies, reports The Record.

NATO has emphasized its commitment to addressing cybersecurity threats, stating that it takes these matters seriously and has implemented additional security measures. Nevertheless, the breach serves as a stark reminder of the ongoing challenges faced by organizations and governments in safeguarding their digital assets against determined and politically motivated cyber attackers.

The alleged NATO data breach by the hacking group SiegedSec underscores the persistent cyber threats faced by international organizations and governments. It highlights the importance of maintaining robust cybersecurity measures in an increasingly interconnected world, where the consequences of breaches can be far-reaching.

Media Disclaimer: This report is based on internal and external research obtained through various means. The information provided is for reference purposes only, and users bear full responsibility for their reliance on it. The Cyber Express assumes no liability for the accuracy or consequences of using this information.

Share this:

  • Share on LinkedIn (Opens in new window) LinkedIn
  • Share on Reddit (Opens in new window) Reddit
  • Share on X (Opens in new window) X
  • Share on Facebook (Opens in new window) Facebook
  • More
  • Email a link to a friend (Opens in new window) Email
  • Share on WhatsApp (Opens in new window) WhatsApp

Related

Tags: NATO SiegedSec Data BreachSiegedSec Hacks NATOThe Cyber ExpressThe Cyber Express News
Previous Post

Dual Ransomware Attacks Rise Alongside Cybersecurity Awareness Month

Next Post

NIST Launches Campaigns for Cyber Security Awareness Month

Next Post
Cyber Security Awareness Month

NIST Launches Campaigns for Cyber Security Awareness Month

Q1 2026 Threat Reports

❮ ❯
Cyble-Vision


Follow Us On Google News

Latest Cyber News

KDDI data breach
Firewall Daily

KDDI Data Breach May Have Exposed Up to 14.22 Million Email Accounts

June 24, 2026
National Health Care Fraud Takedown
Cyber News

National Health Care Fraud Takedown Charges 455 Defendants in $6.5 Billion Fraud Crackdown

June 24, 2026
vulnerabilities in QNAP NAS
Firewall Daily

Multiple Vulnerabilities in QNAP NAS Devices Resolved Through Security Updates

June 24, 2026
Transport for London cyberattack
Cyber News

TfL Hackers Plead Guilty After Breach Exposed Customer Data and Cost £29 Million

June 24, 2026

Categories

Web Stories

Do This on Telegram, Your Bank Account Will Become Zero
Do This on Telegram, Your Bank Account Will Become Zero
If You Install the iOS 18 Beta, Your iPhone Could Be Hacked
If You Install the iOS 18 Beta, Your iPhone Could Be Hacked
Cricket World Cup Ticketing Systems Under Cybersecurity
Cricket World Cup Ticketing Systems Under Cybersecurity
Cyber Threats and Online Ticket Scams During the NBA Finals
Cyber Threats and Online Ticket Scams During the NBA Finals
Biometric Data Security: Protecting Sensitive Information
Biometric Data Security: Protecting Sensitive Information

About

The Cyber Express

#1 Trending Cybersecurity News and Magazine

The Cyber Express is a handbook for all stakeholders of the internet that provides information security professionals with the latest news, updates and knowledge they need to combat cyber threats.

 

Contact

For editorial queries: [email protected]

For marketing and Sales: [email protected]

 

Quick Links

  • About Us
  • Contact Us
  • Editorial Calendar
  • Careers
  • The Cyber Express by Cyble Vulnerability Disclosure Policy
  • Cyble Trust Portal

Our Address

We’re remote friendly, with office locations around the world:

San Francisco, Atlanta, Rome,
Dubai, Mumbai, Bangalore, Hyderabad,  Singapore, Jakarta, Sydney, and Melbourne

 

Headquarters:

The Cyber Express LLC
10080 North Wolfe Road, Suite SW3-200, Cupertino, CA, US 95014

 

India Office:

Cyber Express Media Network
HD-021, 4th Floor, C Wing, Building No.4. Nesco IT Park, WE Highway, Goregaon East, Mumbai, Maharashtra, India – 4000063

  • Privacy Statement
  • Terms of Use
  • Write For Us

© 2026 The Cyber Express - Cybersecurity News and Magazine.

Welcome Back!

Login to your account below

Forgotten Password?

Retrieve your password

Please enter your username or email address to reset your password.

Log In

Add New Playlist

No Result
View All Result
  • Magazine
  • Firewall Daily
  • Essentials
    • Regulations
    • Compliance
    • Governance
    • Policy Updates
  • Knowledge Hub
  • Features
    • Cyber Warfare
    • Espionage
    • Workforce
      • Learning & Development
  • Business
    • Startups
    • Mergers & Aquisitions
    • Partnerships
    • Appointments
    • Budgets
    • Research
      • Whitepapers
      • Sponsored Content
      • Market Reports
    • Interviews
      • Podcast
  • Events
    • Conference
    • Webinar
    • Endorsed Events
  • Advisory Board

© 2026 The Cyber Express - Cybersecurity News and Magazine.

Are you sure want to unlock this post?
Unlock left : 0
Are you sure want to cancel subscription?
-
00:00
00:00

Queue

Update Required Flash plugin
-
00:00
00:00
Do This on Telegram, Your Bank Account Will Become Zero If You Install the iOS 18 Beta, Your iPhone Could Be Hacked Cricket World Cup Ticketing Systems Under Cybersecurity Cyber Threats and Online Ticket Scams During the NBA Finals Biometric Data Security: Protecting Sensitive Information