cipher block chaining

Credit to Author: John E Dunn| Date: Thu, 03 Oct 2019 12:12:48 +0000

Researchers have discovered weaknesses in PDF encryption which could be exploited to reveal the plaintext contents of a file to an attacker.<img src=”http://feeds.feedburner.com/~r/nakedsecurity/~4/yigSKdsoe6I” height=”1″ width=”1″ alt=””/>