Networks & Network Security: Lecture Notes

The following measures can be taken to counter network attacks:

Reinforce network equipment with appropriate configurations and appropriate patching including firmware updates.
Substitute all default passwords with strong passwords.
Use safe session ID handling.
Choose an appropriate session time out for the app.
Use encrypted protocols like SSL or TLS; techniques like VPN.
Do not store passwords or critical information in the cookies.
Ensure that all the software used including utilities / tools are patched / updated.

Set easy-to-understand and clear security policies.
Create awareness among the employees on what can go wrong and what is expected from them.
Do not have the same user name and passwords for all the systems.
Logout promptly after the work is over.
Ensure cookies, history, and offline content are removed after sensitive transaction sessions.
Do not click links in suspicious emails.