Search for person "Brenno de Winter" returned 78 results

35 min

Learning cryptography through handcyphers

Shaping a digital future with ancient wisdom

• 35 min
• 2005-12-28
• 74
• Brenno de Winter
22C3: Private Investigations

49 min

Hacking Data Retention

How bureaucrats fail to fight terror

• 49 min
• 2005-12-27
• 20
• Brenno de Winter
22C3: Private Investigations

61 min

CSRF, the Intranet and You

Causes, Attacks and Countermeasures

• 61 min
• 2006-12-30
• 58
• Justus Winter and Martin Johns
23C3: Who can you trust?