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More than 10,000 websites still using Symantec certificates

Mozilla delays plans to distrust Symantec TLS certificates in Firefox because despite more than one year's notice, approximately 13,000 websites still use the insecure certificates.

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Exaramel malware reveals major threats tied to APT group

News roundup: An APT group called TeleBots group was linked to Industroyer malware and NotPetya ransomware, according to researchers. Plus, Imperva is acquired by Thoma Bravo and more.

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How unencrypted previews expose private data

Apple's Quick Look feature previews thumbnails that are not encrypted. Learn how this poses a security threat to enterprises from expert Michael Cobb.

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U.S. military cybersecurity lacking in weapons systems

A U.S. Government Accountability Office report gave failing grades to military weapon systems cybersecurity, but some experts say the report should be a source of encouragement.

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    How to use Shodan for ICS security

    Shodan can be a helpful tool for security pros to locate ICS cybersecurity vulnerabilities. Expert Ernie Hayden explains how Shodan works and how it can be used for security.

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    digital signature

    A digital signature is a mathematical technique used to validate the authenticity and integrity of a message, software or digital document.

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    denial-of-service attack

    A denial-of-service attack is a security event that occurs when an attacker prevents legitimate users from accessing specific computer systems, devices, services or other IT resources.

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