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cryptography

25 articles

Weak keys in eMudhra CA certificates: the risks and how to respond
  • TLS

The eMudhra certificate incident: how organizations can respond

How a certificate’s private key ended up being equal to 4, and why browser updates alone won’t protect you from vulnerable eMudhra certificates.

  • Stan Kaminsky

  • October 28, 2026

Quantum-resistant encryption and compatibility issues
  • cryptography

Where and how post-quantum cryptography is being used in 2024

Where and why quantum-resistant cryptography has already been implemented, and what compatibility issues it caused.

  • Stan Kaminsky

  • September 4, 2024

NIST introduces first post-quantum encryption standards
  • encryption

The first post-quantum encryption standards

The U.S. National Institute of Standards and Technology (NIST) has issued the first post-quantum encryption standards — FIPS 203, FIPS 204, and FIPS 205.

  • Alanna Titterington

  • August 30, 2024

How to read encrypted messages from ChatGPT and other AI chatbots
  • AI

How hackers can read your chats with ChatGPT or Microsoft Copilot

How hackers exploit chatbot features to restore encrypted chats from OpenAI ChatGPT, Microsoft Copilot, and most other AI chatbots.

  • Alanna Titterington

  • April 24, 2024

KeyTrap attack can take out a DNS server
  • vulnerabilities

KeyTrap: how to break a DNS server with a single packet

The KeyTrap DoS attack, which can disable DNS servers with a single malicious packet exploiting a vulnerability in DNSSEC.

  • Alanna Titterington

  • February 19, 2024

How to enable and configure passkeys for your Google account
  • 2FA

Passkeys for your Google account: what, where, how, and why

Everything you wanted to know about Google account passkeys: how they work, why they’re needed, where to enable them, how to configure them, and what storage options are available.

  • Alanna Titterington

  • November 3, 2023

How to properly store your user passwords
  • passwords

Password storage as the cornerstone of security

How online services should store user passwords, and how to minimize the damage in the event of a leak or hack.

  • Alanna Titterington

  • September 26, 2023

Apple, Google and Microsoft have announced support for a FIDO standard that seeks to replace passwords with passkeys
  • 2FA

A passwordless future?

Let’s see how Google, Microsoft and Apple can work together to do away with passwords.

  • Enoch Root

  • May 23, 2022

We explain for laypeople what end-to-end encryption is and how it enables private, secure communication for us all.
  • encryption

What end-to-end encryption is, and why you need it

We explain for laypeople what end-to-end encryption is and how it enables private, secure communication for us all.

  • Kaspersky Team

  • September 11, 2020

Quantum computers and cryptography for dummies
  • Quantum Computers

Quantum computers and cryptography for dummies

We explore how encryption protects your data and why quantum computers might shake things up.

  • Egor Nashilov

  • July 10, 2020

Google claims to have achieved quantum supremacy. We ponder how quantum computers work, and what that has to do with data protection
  • Quantum Computers

Quantum computers 101

We explain quantum computers with the help of cats and light bulbs.

  • Egor Nashilov

  • May 6, 2020

Quantum computers are set to change our approaches to data encryption. When that will happen is not yet clear, but we do know when companies need to start preparing — right now.
  • RSA conference

Encryption in the quantum era: Practical tips for companies

Quantum computers are set to change our approaches to data encryption. When that will happen is not yet clear, but we do know when companies need to start preparing — right now.

  • Serge Malenkovich

  • March 4, 2020

Researcher Fabian Ising, speaking at the Chaos Communication Congress, showed the limits of PDF encryption’s strength.
  • 36c3

Can you read an encrypted PDF?

Researcher Fabian Ising, speaking at the Chaos Communication Congress, showed the limits of PDF encryption’s strength.

  • Nikolay Pankov

  • February 28, 2020

Researchers try to modify the contents of a signed PDF file without invalidating the signature.
  • 36c3

Can you trust digital signatures in PDF files?

Researchers try to modify the contents of a signed PDF file without invalidating the signature.

  • Nikolay Pankov

  • January 14, 2020

Did Google’s quantum computer just defeat RSA 512 algorithm?
  • quantum computing

Quantum supremacy is almost uncertainly here

According to recent news, quantum supremacy is reached. What should we do about it?

  • Sergey Lurye

  • September 24, 2019

  • privacy

Facebook wants your nudes

Want to protect your intimate photos from ever going public? Facebook has a suggestion: Upload them yourself!

  • Yaroslava Ryabova

  • November 8, 2017

Keeping blockchain on track while the hype fades
  • blockchain

Keeping blockchain on track while the hype fades

Until very recently, news of blockchain was all around. Now that the hype has passed, let’s contemplate blockchain’s future.

  • Serge Vilianov

  • March 6, 2017

Happy New Quantum Year!
  • quantum computing

Happy New Quantum Year!

As we see from recent news, quantum computing is evolving faster than anyone could’ve expected. What does this mean for us, the average users?

  • Sergey Lurye

  • January 24, 2017

Blockchain, simplified
  • bitcoin

What is blockchain technology and how it works

Confused and wondering how Bitcoin and blockchain work? In this post we break it all down for you.

  • Alexey Malanov

  • September 8, 2016

Quantum computers: what does it mean for you today?
  • tips

Quantum computers: what does it mean for you today?

Quantum computers are said to be coming soon. They will definitely change the information security paradigm. How you can prepare to this shift?

  • Serge Malenkovich

  • December 8, 2015

Infosec history: How a 17 century cipher became the basis of an unbreakable 20 century cipher
  • ciphers

How a 17th century cipher became the basis of an unbreakable 20th century cipher

One of the most interesting ciphers designed to eliminate the vulnerability to symbol frequency analysis was the Vigenere cipher. Which later became the basis of unbreakable one-time pads.

  • Marvin the Robot

  • September 11, 2015

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