Personally, I'd suggest (which also happens to be mandatory at my office) that you can change your pw every 30-60 days if you feel that uncomfortable about having your acct seized.
Hint hint Admin: Can we have that as an option to reset the pw every X amount of days automatically in the option settings room???
Also make the phrase
strong and try not to reuse an old hashed one and stay away from commonly used words. If you need an SPG, here are two I'd suggest
http://strongpasswordgenerator.com and
http://www.strongpasswordgenerator.org Yes, the combination is complicated (it's designed to be), but you should only need to enter this once. There are mnemonic phrased generators available too (example: a7wfh30 = Accountable seven Waffles Fry Horrid thirty) if you dislike the two given links.