Tagged With "Intercept"
Topic
Is this how the NSA 'leaker' was tracked down so quickly? Series of nearly-invisible yellow dots on the leaked document revealed exactly when and where it was printed
A series of 'tracking dots' that were inadvertently published by The Intercept on leaked documents could have led to the arrest of an NSA contractor. Reality Leigh Winner, 25, a Georgia security contractor with top secret clearance, was arrested and charged with leaking documents on Monday as NBC linked her to pages published by The Intercept . Now, blog Errata Security has revealed how a series of nearly-invisible yellow dots that appeared at the top of the leaked pages would have allowed...
Reply
Re: Is this how the NSA 'leaker' was tracked down so quickly? Series of nearly-invisible yellow dots on the leaked document revealed exactly when and where it was printed
The anti-counterfeiting used by at least 1 major copier vendor uses a series of yellow dots on every full color output page. These dots can be decoded by the manufacturer to reveal the serial number. You can see the dots under a magnifying loupe. Most people are unaware of this.