Comodo Internet Security (CIS), developed by Comodo Group, is an Internet security suite for Microsoft Windows. It includes an antivirus program, a personal firewall, a sandbox and a host-based intrusion prevention system (HIPS) called Defense+.
A delta is a triangular deposit of sediment at the end of a river or stream.   Delta is the fourth letter in the Greek alphabet, it equates to the Roman D. A river delta is a triangular or D shaped area at the mouth of a river, such as the Mississiâ¦ppi Delta; check its appearance on a map.
2. an object resembling a capital delta in shape. 3. (Physical Geography) (capital when part of name) the flat alluvial area at the mouth of some rivers where the mainstream splits up into several distributaries: the Mississippi Delta. 4. (Mathematics) maths a finite increment in a variable.