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.
Thatâs capital delta (lower case is Î´), a letter of the Greek alphabet. It can be used in equations just like normal letters in a similar manner to x. It is usually used to represent: a difference. an angle.