Firewalls and proxy servers guard the perimeter by … and …

What does HTTP mean?

The ... attack essentially realizes that the hash cannot be reversed; rather than trying to find out what the password is, the attacker just sends over the hash. If the attacker can obtain a valid username and user password hashes values (just the hash—the attacker does not know the actual password), then the hacker can use that hash, without ever knowing the actual password.

What factor about the Sobig virus made it most intriguing to security experts?

One of the most widely known examples of ransomeware is the infamous …, first discovered in 2013.

What class would the IP address of 193.44.34.12 be?

Likewise, ......DoS attacks use much more sophisticated methods.

What kind of cable has low-speed analog and uses for telephone,doorbell?