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Install YAWAST – The Antecedent Web Application Security Toolkit

YAWAST is an application meant to simplify initial analysis and information gathering for penetration testers and security auditors. It performs basic checks in these categories: TLS/SSL - Versions and cipher suites supported; common issues. Information Disclosure - Checks for common information leaks. Presence of Files or Directories - Checks for files or directories that could [...]

By | October 24th, 2016|Pentest|

JAMF Could Allow For MITM Attack

JAMF Software has a number of solutions for fleet management of Apple products, including their own Apple MDM. The issue discussed in this post applies to the self-hosted JAMF Casper Suite and deploying a JSS. This suite of tools includes software that will help track inventory, manage devices, implement security policies, and deployment of software [...]

By | September 12th, 2016|Attacks, Security|

Workaround Firefox Blocking Weak DHE Cipher Suites

If you have Firefox version 39 or newer, then you may have run into the error message below: "SSL received a weak ephemeral Diffie-Hellman key in Server Key Exchange handshake message. (Error code: ssl_error_weak_server_ephemeral_dh_key) The page you are trying to view cannot be shown because the authenticity of the received data could not be verified. [...]

By | July 5th, 2016|Apps|

NMap Script to Test SSL Versions and Cipher Suites

A few months ago, I wrote an article on how to configure IIS for SSL/TLS protocol cipher best practices. To test your configuration, you can use a handy tool called NMap (nmap.org) or the ZenMap GUI. Included in NMap is a script called ssl-enum-ciphers, which will let you scan a target and list all SSL [...]

By | June 16th, 2016|Security|

Google Chrome Error SSL Server Probably Obsolete ERR_SSL_FALLBACK_BEYOND_MINIMUM_VERSION

If you're a Google Chrome user, you might have come across the Google Chrome Error SSL Server Probably Obsolete ERR_SSL_FALLBACK_BEYOND_MINIMUM_VERSION while trying to browse to a HTTPS website. Unfortunately, as a user, there's not much you can do to get around this error message except to try a different browser like Internet Explorer. About a [...]

By | September 15th, 2015|Internet|
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