Two-factor authentication is in the spotlight again after the Twitter accounts for three CBS brands were hijacked and suspended this weekend. The hackers in the CBS case appear to have political motivations, tweeting things like “The American people must stop their government, before the whole world is destroyed” Even the tiniest bit of friction is enough to deter people from using extra security. For too many people, it’s just too much work and for that reason you’re going to keep seeing accounts like the ones involving CBS get hacked.”]