I got two good questions last week, via Facebook, that I answered briefly in the comments, but are worth further exploration: Does it beef up wireless security to hide the SSID and only allow the MAC addresses of hardware you own?
Those are good questions. Smart questions. I like those kinds of questions.
Unfortunately, neither measure gets you a whole lot. Against a sophisticated attacker, that buys you minutes, compared to the security of a strong password, which buys you years. It’s like having a locked screen door in front of the vault door at Fort Knox. (Assuming you’re using a strong password–if you’re using a weak password and these measures, it’s like having multiple locked screen doors.)
Then again, not everyone is a sophisticated attacker.
Read More »Two more questions about wireless security