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digital certificates

Pierluigi Paganini September 17, 2019
Fraudulent purchases of digitals certificates through executive impersonation

Experts at ReversingLabs spotted a threat actor buying digital certificates by impersonating legitimate entities and then selling them on the black market. Researchers at ReversingLabs have identified a new threat actor that is buying digital certificates by impersonating company executives, and then selling them on the black market. The experts discovered that digital certificates are then […]

Pierluigi Paganini March 08, 2019
Research confirms rampant sale of SSL/TLS certificates on darkweb

A study conducted by academics discovered that SSL and TLS certificates and associated services can be easily acquired from dark web marketplaces. A study sponsored by Venafi and conducted by researchers from Georgia State University in the U.S. and the University of Surrey in the U.K. discovered that SSL and TLS certificates and associated services […]

Pierluigi Paganini November 20, 2017
The controversial certificate authority StartCom will go out of business on January 1, 2018

The Startcom CA board chairman Xiaosheng Tan, announced that the controversial certificate authority will end its activity on January 1, 2018. The controversial certificate authority StartCom is going to close, according to board chairman Xiaosheng Tan, the business will end its activity on January 1, 2018. Starting from January 1, 2018, StartCom will no longer issue new digital […]

Pierluigi Paganini July 11, 2017
Google will ban WoSign and StartCom certificates from Chrome 61

Google is going to completely ban digital certificates issued by the Chinese CA WoSign, and its subsidiary StartCom starting with Chrome 61. Recently Google warned website owners that it will completely ban digital certificates issued by the Chinese certificate authority WoSign and its subsidiary StartCom. The Tech giant will no longer trust the WoSign certificates starting […]

Pierluigi Paganini February 24, 2017
SHAttered attack, Google and CWI conducted the first SHA-1 collision attack

Experts at Google and CWI conducted the first real world collision attack against popular SHA-1 hashing algorithm, so called shattered-attack. Researchers at Google and Centrum Wiskunde & Informatica (CWI) in the Netherlands succeeded in conducting the first real world collision attack against popular SHA-1 hashing algorithm. The researchers created two documents with different content but […]

Pierluigi Paganini January 04, 2017
Kaspersky fixing a serious problem with inspection digital certificates

Google hacker Tavis Ormandy discovered a serious flaw that affects the Kaspersky antivirus software and the way it manages inspection digital certificates. Experts from Kaspersky are solving a problem that disabled certificate validation for 400 million users. The problem was spotted by the notorious Google hacker Tavis Ormandy, the vulnerability affects the Kaspersky antivirus software […]

Pierluigi Paganini September 30, 2016
Mozilla plans to ban the Chinese CA WoSign due to trust violations

Mozilla is at the point of banning Chinese certificate authority WoSign due to a number of severe violations that could impact Internet users. Mozilla is at the point of banning Chinese certificate authority WoSign due to a number of violations, including backdating SHA -1 certificates in order to subvert deprecating certs from being trusted. According […]

Pierluigi Paganini September 02, 2016
BitTorrent client Transmission found distributing Mac malware once again

It has happened again, Mac users who were looking for the BitTorrent client Transmission might have been infected by the OSX/Keydnap malware. Security experts from ESET have spotted the popular BitTorrent client called Transmission distributing Mac malware called OSX/Keydnap that is used to steal the content of OS X’s keychain and maintain a permanent backdoor on victims’PC. […]

Pierluigi Paganini July 27, 2016
Shad0wS3C claimed responsibility for the EJBCA data breach

Shad0w Security (Shad0wS3C) claimed responsibility for the data breach of the EJBCA that resulted in the exposure of credentials and certificates. Shad0w Security claimed responsibility for the data breach of the EJBCA – Open Source PKI Certificate Authority. Shad0w Security recently breached into a Switzerland Branch of EJBCA – Open Source PKI Certificate Authority and stole dozens of certificates […]

Pierluigi Paganini May 29, 2016
Why surveillance firm Blue Coat was granted a powerful encryption certificate?

Experts discovered that the Controversial Surveillance firm Blue Coat was granted a powerful encryption certificate that can be used for web monitoring. Once again we are here speaking about surveillance, security experts have discovered that the controversial firm Blue Coat Systems was granted  powerful encryption digital certificates. Blue Coat sells web-monitoring software, its surveillance appliances were […]

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    recent articles

    North Korea-linked threat actors spread macOS NimDoor malware via fake Zoom updates

    Malware / July 05, 2025

    Critical Sudo bugs expose major Linux distros to local Root exploits

    Security / July 04, 2025

    Google fined $314M for misusing idle Android users' data

    Laws and regulations / July 04, 2025

    A flaw in Catwatchful spyware exposed logins of +62,000 users

    Malware / July 04, 2025

    China-linked group Houken hit French organizations using zero-days

    APT / July 03, 2025

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