- Include numbers, symbols, uppercase letters, and lowercase letters.
- Passwords should be more than eight characters long.
- Avoid any password based on repetition, dictionary words, letter or number sequences, usernames, relatives or pet names, or biographical information (birthdays, anniversary, etc.).
- Change your passwords on a regular schedule.
2. Set only the firewall rules you actually need
A firewall intercepts all communications between you and the Internet, and decides if the information is allowed to pass through to your devices. Most firewalls, by default, will block all traffic both in and out. This is what we call "Deny all by default." In this default state, it is as if your devices are not even connected to the Internet. While this is a very safe state to be in, it is not very useful. So, we must create a set of rules to tell the firewall what we consider safe. Everything else is, by default, considered not safe.
As you create rules to allow traffic in and out, you are creating tiny holes in your firewall for the traffic to flow through. The more rules you create in your firewall, the less secure your network becomes. You should only create minimum rules that you need, which can reduce risks of cyber threats through the firewall system.
3. Update your firmware in a timely manner