IP Addresses & Ports IP Addresses – identify a device on a network

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Presentation transcript:

IP Addresses & Ports IP Addresses – identify a device on a network assigned by router when device connects Ports – identify a service running on your device

Firewalls Monitor and control attempts to access to your device over the network Should allow the appropriate requests, block unexpected/potentially malicious requests

Simple Firewall Setup sudo apt install ufw sudo ufw enable sudo ufw deny 4711

How do hacks happen?

How do hacks happen? Hackers find and exploit vulnerabilities in… The physical network Firewall configuration Software (often outdated)

But don’t forget the least secure part of a computer system… Us!

Social Engineering Phishing Viruses Tricking people into giving up their passwords / security answers over the phone / by email

Hacking is fun… but be careful!