CS338 Computer Security
Friday, 19 September 2025

Fire up Kali now

+ Questions
- bandit
- net tools lab

+ Wireshark
- Firefox on Kali
    Settings -> General -> Network Settings -> Settings...
        Use system proxy settings

- Whoa, what's all this stuff?

- "capture filters"
    host 172.233.221.124
    tcp port 13
    ...

- vs. "display filters"
    tcp
    http
    tcp.flags.syn==1
    ...

+ Let's practice the "security mindset": AirTag, Tile
- What is the stated purpose of the products?
- What software and hardware is involved?
- What people are (or could be) involved?
- How could you use them that might not be how Apple or Tile intended?
- What questions would you want answers to?
- Anything else?

    - my keys, my wallet
    - Dad's wallet
    - my checked luggage
    - plant in somebody's room and make it beep at bad times
    - [claim of ownership, location, and a sound]
    - hide in car in case of theft
    - stalking
    - in mail, to figure out where your stuff goes
    - find out if it's near an Apple device
    - [if not near owner's phone, it'll beep when moved]
    - [if there's an AirTag near you that isn't yours,
        you might get a notification, and it'll beep]
    - put one on your pet


+ Note on ethics
- Thoughts?