Let me take a random list of events, some current, some not-so-current:
Jason Fortuny and his nefarious Craigslist “experiment”
Second Life being hacked
Alarms about Bebo and MySpace
Pushback against Facebook facilities
Leaking of Google searches
Confidential records being leaked accidentally
“Pretexting” to hack into confidential records
Embarrassing e-mail leaks
Lots of leaks. Lots of leaks that affect Web 2.0 companies. Lots of worried [...]