
1) Hacker group
Found on
https://www.crosswordclues.com/clue/malsec

MalSec (an abbreviation of `Malicious Security`) is a splinter faction of Anonymous that pledges to use hacktivism ethically to empower people. The group has said that they want to turn away from their trickster ways and become a more forthright force fighting censorship on the internet and improving the security of the net with free pentests. ......
Found on
http://en.wikipedia.org/wiki/MalSec

Years of the 14th century in the Byzantine Empire. ...
Found on
http://en.wikipedia.org/wiki/Malsec
No exact match found.