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The Cybersecurity Hub
Your one-stop-shop for all things cybersec. What is the Cybersecurity Hub? It’s a place for people interested in cybersecurity, where they can find useful links and information about the most prevalent online threats and the best ways to protect themselves and their devices.
Introduction to cybersecurity
Cybersecurity can be categorized into several distinct types:
The worst cybersecurity incidents of all time
2013 · Database vulnerability
Yahoo database breach
How many accounts were compromised? 3 billion
What kind of data was affected? Names, emails, phone numbers, birthdays, hashed passwords, security questions and answers.
What happened next? Yahoo hid the scope of the breach for 4 years.
2017 · NotPetya cyberattack
Ukraine cyberattack
How many accounts were compromised? 50,000
What kind of data was affected? Data and devices in multiple airports, shipping and oil companies, banks, and government agencies.
What happened next? The attack caused $10 billion worth of damage and the infrastructure took months to restore.
2019 · Crawler software scraped customer data
Alibaba cyberattack
How many accounts were compromised? 1,1 billion
What kind of data was affected? Names, ID numbers, phone numbers, addresses, criminal records, order history.
What happened next? Hackers put it for sale for 10 bitcoins. Alibaba stated that they will work with law enforcement to protect its user data.
2021 · Exploit in the site’s API
LinkedIn cyberattack
How many accounts were compromised? 700 million
What kind of data was affected? Email addresses, phone numbers, geolocation records, genders.
What happened next? LinkedIn argued that no sensitive data was exposed. The hacker posted the data on a dark web forum.
2019 · Unrestricted access to two databases
Facebook database attack
How many accounts were compromised? 533 million
What kind of data was affected? Phone numbers, account names, and Facebook IDs.
What happened next? The data was posted online for free. The HIBP website was updated with a phone number lookup.
2017 · The WannaCry ransomware attack
Windows ransomware attack
How many accounts were compromised? 300,000
What kind of data was affected? Data and devices in multiple companies and organizations.
What happened next? The attack caused $4 billion in losses worldwide.
Knowledge at a glance
Browse thousands of cybersecurity definitions in NordVPN’s Cybersecurity Glossary.
Cybersecurity frameworks and regulations
Overview of common cybersecurity frameworks
NIST Cybersecurity Framework
Developed by the National Institute of Standards and Technology (NIST), it integrates industry standards and best practices to help organizations manage and protect their data and infrastructure.
CIS Controls
Developed by the Center for Internet Security, this framework provides organizations with a set of actions that help them improve their cybersecurity structure.
ISO/IEC 27001
A recognized international standard for creating and improving an organization’s information security management systems. It outlines the best industry practices and requirements for establishing, maintaining, and improving organizational cybersecurity.
SANS Critical Security Controls
Developed by the SANS Institute, this framework consists of a set of 20 security controls that are organized into three categories: basic, foundational, and organizational. The controls are meant to help organizations defend against cyber threats.
FAIR (Factor Analysis of Information Risk
A quantitative information risk management framework that provides a structured approach to evaluating and prioritizing information security risks.
CISA and TAXII
Frameworks designed to improve the sharing of cybersecurity threat intelligence between private organizations and the government.
Privacy Regulations
HIPAA
The Health Insurance Portability and Accountability Act is a US law that ensures the privacy and security of individually identifiable medical data.
GDPR
The General Data Protection Regulation is a data protection law within the EU and the European Economic Area meant to protect the privacy of EU citizens, give more control to the users, and regulate the collection, use, and storage of personal data.
COPPA
The Children’s Online Privacy Protection Act is a US federal law that regulates the collection of personal information of children under the age of 13.
CCPA
The California Consumer Privacy Act is a state law in California that gives consumers the right to know what personal information is being collected about them, request that it be deleted, and to opt-out of the sale of their personal information.
Protect yourself from cybercriminals and report cybercrime
Faced with unknown digital threats and cybercrime? You are not alone in this battle — contact us.
Learn more about all aspects of cybersecurity
Visit the NordVPN blog to find useful how-to’s, in-depth analysis, product updates, cybersecurity tips, and latest news from the tech world. Don’t miss the chance to learn more from the industry’s best!
Online security tools
Keep your digital life safe and secure with NordVPN’s free online security tools.
Upcoming cybersecurity events
Want to hear directly from the people behind Nord Security? Let’s meet!
| Event name | Date | Location |
|---|---|---|
| March 9-10, 2026 | London, U.K. | |
| March 23-26, 2026 | San Francisco, CA, USA | |
| May 5-6, 2026 | Hamburg, Germany | |
| May 15-16, 2026 | Tampa, FL, USA | |
| May 22, 2026 | Knoxville, TN, USA | |
| June 1-3, 2026 | Philadelphia, PA, USA | |
| August 1-6, 2026 | Las Vegas, NV, USA | |
| August 6-9, 2026 | Las Vegas, NV, USA | |
| September 8-10, 2026 | Washington DC, USA |
Cybersecurity training
Want to learn more about cybersecurity but don’t know where to start? From beginner-friendly tutorials on our YouTube channel to in-depth engineering knowledge on our blog, we’ve got you covered.
Explore our cybersecurity resources
NordVPN has many experts, tech-savvy writers, and dedicated researchers who are ready to help you learn everything there is to know about cybersecurity.
Secure your digital life
Browse in confidence with the help of NordVPN’s cybersecurity experts.