Find Your Hacked Passwords - Prevent Account Takeover.

Insights in Signals Intelligence, Communications Security and Top Level Telecommunications equipment. Writings and tweets may be in English, Dutch or German.

I teach security and hacking at City College San Francisco.

IT-Security professional, husband and father of two (in random order). #itsec #DFIR #malware #APT #CTI #RedTeaming #BSidesZH (RT = interest)

Founder and Threat Researcher SecurityBreak

Cyber Security Sales Professional • @NASDAQ tower moment of fame in December '15 • Growth mindset for life

Christian. Husband. Security Researcher. Motor Head. Wx Geek. Spider fiend. Bassist. Sysadmin. Writer. Bicycle Commuter. Ham. My views, not my employer's.