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FreePBX servers hacked via zero-day, emergency fix released

The Sangoma FreePBX Security Team is warning about an actively exploited FreePBX zero-day vulnerability that impacts systems with the Administrator Control Panel (ACP) is exposed to the internet. FreePBX is an open-source PBX (Private Branch Exchange) platform built on top of Asterisk, widely used by businesses, call centers, and service providers to manage voice communications, extensions, SIP trunks, and call routing. In an advisory posted to the FreePBX forums, the Sangoma FreePBX Security

Houston, you’ve got a space shuttle… only NASA won’t say which one

The head of NASA has decided to move one of the agency's retired space shuttles to Houston, but which one seems to still be up in the air. Senator John Cornyn (R-Texas), who earlier this year introduced and championed an effort to relocate the space shuttle Discovery from the Smithsonian to Space Center Houston, issued a statement on Tuesday evening (August 5) applauding the decision by acting NASA Administrator Sean Duffy. "There is no better place for one of NASA's space shuttles to be displ

European authorities arrest alleged admin of notorious Russian crime forum XSS

In Brief European officials have confirmed the arrest of the alleged administrator behind XSS.is, one of the longest-running Russian-language cybercrime forums. Per Europol, the alleged administrator was arrested in Ukraine on Tuesday. A law enforcement notice on XSS now reads: “This domain has been seized.” According to a statement by prosecutors in Paris, French authorities obtained a court order to conduct surveillance on a Jabber server used by the administrator for instant messaging. The

Crypto 101 – Introductory course on cryptography (2017)

Comes with everything you need to understand complete systems such as SSL/TLS: block ciphers, stream ciphers, hash functions, message authentication codes, public key encryption, key agreement protocols, and signature algorithms. Learn by doing. Learn how to exploit common cryptographic flaws, armed with nothing but a little time and your favorite programming language. Forge administrator cookies, recover passwords, and even backdoor your own random number generator.

Crypto 101 – Introductory course on cryptography

Comes with everything you need to understand complete systems such as SSL/TLS: block ciphers, stream ciphers, hash functions, message authentication codes, public key encryption, key agreement protocols, and signature algorithms. Learn by doing. Learn how to exploit common cryptographic flaws, armed with nothing but a little time and your favorite programming language. Forge administrator cookies, recover passwords, and even backdoor your own random number generator.

NASA Is in Full Meltdown

Career NASA officials were seen looking mighty freaked out during a recent town hall event about the agency's dicey future. As Ars Technica's Stephen Clark reports based on a livestream of the town hall — which was not advertised and has since been taken down — acting NASA administrator and career agency official Janet Petro looked like a hostage as she answered questions from staff about the agency's dire standing under president Donald Trump. The hostage-taker in this scenario appears to be