NSA

Sun, 5 Dec '21

Org. that hires cryptanalysts

Tue, 30 Nov '21

Home to many cybersafety experts, in brief

Sun, 31 Oct '21

Code-cracking grp.

Sun, 10 Oct '21

Org. with an annual Codebreaker Challenge

Wed, 18 Aug '21

Edward Snowden's former employer, in brief

Sun, 8 Aug '21

"The Puzzle Palace" org.

Mon, 17 May '21

Govt. org. with a classified budget

Sat, 8 May '21

Org. with an annual Codebreaker Challenge

Thu, 22 Apr '21

Classified org.

Fri, 26 Mar '21

Org. with 1-Across

Mon, 22 Feb '21

U.S. intelligence org.

Sun, 14 Feb '21

Surveillance org.

Sun, 24 Jan '21

Govt. org. with a forerunner known as the Black Chamber