Mining for OSINT gold: RIR data via API

This is a guest post by David Mashburn (@d_mashburn, https://www.sans.org/instructors/david-mashburn), Certified SANS Instructor and cyber ninja! OSINT isn't just about doing pre-attack recon. It is often leveraged by defenders as part of the incident response and investigation process. One of the most common applications of OSINT for a defender is to perform lookups on available... Continue Reading →

Shodan and DOUBLEPULSAR / WannaCry

What is WannaCry? In March 2017, Microsoft issued the MS17-010 bulletin (https://technet.microsoft.com/en-us/library/security/ms17-010.aspx) patching (and warning) of a broad set of vulnerabilities in many of its operating systems from Windows XP to Windows 10 and 2016. This vulnerability could be exploited via the DOUBLEPULSAR attack released by ShadowBrokers and supposedly attributed to the NSA. For more... Continue Reading →

Encrypt your emails

Sending financial, health and other sensitive information over the internet is like sending postcards in the snail mail. From the time you hit send to the time it is received in the other person's mailbox anyone can read your messages. Once in the email-provider mailbox (Gmail, Hotmail, Yahoo, Comcast...) they can read the email and... Continue Reading →

The Secrets of LinkedIn

For those of you that have been the targets of SPAM or phishing or perhaps for those of you that are cyber defenders, how many times have you heard "I have no idea how the attacker got my personal email address." I have a secret to share with you. [Come a little closer to the... Continue Reading →

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