Meet the hackers who flip seized Instagram handles and cryptocurrency in a shady, buzzing underground market for stolen accounts and usernames. Their victims' weakness? Phone numbers.

Dangling markup is a technique to steal the contents of the page without noscript by using resources such as images to send the data to a remote location that an attacker controls. It is useful when ref

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During the weekend of 6-8th of July, our CTF team – Dragon Sector – played in an invite-only competition called WCTF, held in Beijing. The other participants were top-tier groups from around the world (e.g. Shellphish, ESPR, LC↯BC or Tokyo Westerns), and…

Security Misconfiguration is #6 in the current OWASP Top Ten Most Critical Web Application Security Risks. Misconfiguration can include both errors in the installation of security, and the complete failure to install available security controls.

Critical vulnerability found in Microsoft Translator Hub where all of its 13000 projects could be deleted using indirect object reference vulnerability

A Lastline survey from June 2018 revealed that 45 percent of infosec professionals reuse passwords across multiple accounts.

Financial losses are reaching billions of dollars, and about 30-40% of attacks are conducted by schoolkids of 14–16 years.

The injected noscript steals checkout form data and sends it to a Chinese-owned domain. But the attackers are really bad at programming.

When dealing with tasks that have rules and wordlists, Hashcat internally distributes the wordlist to the shaders on the GPUs but, gives all the rules to each shader. This means every shader has a …

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Doyensec's Blog :: Doyensec is an independent security research and development company focused on vulnerability discovery and remediation.

Nominations are now open for the Top 10 Web Hacking Techniques of 2017. Every year, numerous security researchers choose to share their findings with the community through conference presentations, bl

First few milliseconds of ssl tls connection.TLS handshake protocol explained in depth with wireshark. RSA,Diffie Hellman.TLS records.CA cert

Intro - Testing Google Sites and Google Caja In March 2018, I reported an XSS in Google Caja, a tool to securely embed arbitrary html/javanoscript in a webpage. In May 2018, after the XSS was fixed, I realised that Google Sites was using an unpatched version…

Five different backdoors were found in Cisco's software this year, and Cisco's history with backdoors goes back many years.

Unit 42 documents the emergence of three malware campaigns built on publicly available source code for the Mirai and Gafgyt malware families that incorporate multiple known exploits affecting Internet of Things (IoT) device.

Intro - Testing Google Sites and Google Caja In March 2018, I reported an XSS in Google Caja, a tool to securely embed arbitrary html/javanoscript in a webpage. In May 2018, after the XSS was fixed, I realised that Google Sites was using an unpatched version…

Unit 42 documents the emergence of three malware campaigns built on publicly available source code for the Mirai and Gafgyt malware families that incorporate multiple known exploits affecting Internet of Things (IoT) device.