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US report on cyber espionage accuses China and Russia o

China and Russia are using cyber espionage to steal US trade and technology secrets, says a US intelligence report covering 2009 to 2011.


How to avoid web cache poisoning

Web cache poisoning poses a serious threat to web browser security. Learn how hackers can exploit unkeyed inputs for malicious use with expert Michael Cobb.


How a phishing campaign targeted Trezor wallets

A phishing campaign targeting Trezor wallets may have poisoned DNS or hijacked BGP to gain access. Learn how the attack worked and how to mitigate it with expert Nick Lewis.


How Microsoft Authenticator integrates with Azure AD

Microsoft expanded the Microsoft Authenticator app to integrate with tens of thousands of Azure AD apps. Expert Dave Shackleford explains how this tool is improving security.

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Information Security Basics

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    challenge-response authentication

    In information security, challenge-response authentication is a type of authentication protocol where one entity presents a challenge or question, and another entity provides a valid response to be authenticated.

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    Following NIST guidelines for better incident response

    The NIST incident response plan involves four phases enterprises can take to improve security incident handling. Expert Mike O. Villegas reviews each step.

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    Secure Shell (SSH)

    SSH, also known as Secure Shell or Secure Socket Shell, is a network protocol that gives users, particularly system administrators, a secure way to access a computer over an unsecured network.

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