Black Hat·1 hr 3 min
John Ortiz
Security researchers examine technical aspects of Advanced JPEG Steganography and Detection by John Ortiz.
steganographydetectionjpeg+2
John Ortiz
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Main Stage·45 min
John Ortiz
John Ortiz explores fast forensics using simple statistics and cool tools at DEF CON 21, examining social-bots and practical defenses.
social-botstwitter-automationdisinformation+1