Simple Network Management Protocol (SNMP) is built in to virtually every network device. Network management programs (such as HP OpenView and LANDesk) use SNMP for remote network host management. Unfortunately, SNMP also presents security vulnerabilities. Vulnerabilities The problem is that most network hosts run SNMP enabled with the default read/write community strings of public/private. The … Read more
Network infrastructure vulnerabilities are the foundation for most technical security issues in your information systems. These lower-level vulnerabilities affect practically everything running on your network. That’s why you need to test for them and eliminate them whenever possible. Your focus for security tests on your network infrastructure should be to find weaknesses that others can … Read more
Introduction to Computer Networks Data Communication:When we communicate, we are sharing information. This sharing can be local or remote. Between individuals, local communication usually occurs face to face, whileremote communication takes place over distance. Components:A data communications system has five components. 1. Message. The message is the information (data) to be communicated. Popularforms of information … Read more