An anonymous reader sends this quote from JournalStar.com:
"The Lancaster County Sheriff’s Office has seen an increase in scammers using unsecured Wi-Fi connections to steal identities and mask their crimes during the past six months, Sheriff Terry Wagner said. ... So deputies spent the past few weeks finding unsecure connections and sending 40 to 50 letters to let people know about the potential dangers of strangers accessing their network connections. 'You're just opening yourself up for a series of potential pitfalls,' Chief Deputy Jeff Bliemeister said. ... Bliemeister said only businesses like coffee shops that offer Internet connections to customers need unsecured Internet connections.