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breaches

7 articles

The world's biggest data breach: what should folks do?
  • leaks

16 billion passwords leaked: what should I do?

First, don’t panic. Second, change your passwords. What else? Read this blogpost to protect your accounts.

  • Kaspersky Team

  • June 20, 2025

Top-5 leaks of all time
  • leaks

RockYou2024 and the four other largest data breaches in history

A breakdown of the most high-profile data leaks ever: from Yahoo to RockYou2024.

  • Alexey Sadylko

  • August 27, 2024

Hackers can crack 59% of passwords in an hour
  • passwords

How hackers can crack your password in an hour

Almost six out of ten passwords can be cracked in less than an hour using either a modern graphics card or cloud services. All it costs is a few dollars and some free time. How this is possible and what to do about it is the topic of our study.

  • Alexey Antonov

  • June 18, 2024

  • leaks

My data was leaked in Collection #1. What should I do?

A huge database of leaked e-mails and passwords surfaced in the Internet. Here’s what you should do about it.

  • Alex Perekalin

  • January 17, 2019

  • passwords

Are data breaches stressing you out?

We asked, and your answer was yes.

  • Marvin the Robot

  • July 6, 2018

  • passwords

I’m done with remembering passwords

How Twitter’s “not-a-leak” made me realize that remembering passwords no longer works.

  • Alex Perekalin

  • May 7, 2018

  • breaches

Security Week 41: research censored, Outlook Web Access hacked, subscriber data lost

Today is special corporate edition of our weekly news digest, which we will devote to ROI, EBITDA, TCO, IFRS, CRM, SLA, NDA, GAAP and the likes. Just kidding – as

  • Konstantin Goncharov

  • October 12, 2015

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