It's useful, but if an attacker got a shell on the dev laptop, I assume he could...

		0x0 on Feb 2, 2013 \| parent \| context \| favorite \| on: Twitter Hacked – 250,000 User Accounts Potentially... It's useful, but if an attacker got a shell on the dev laptop, I assume he could just coredump the ssh-agent process and steal the unlocked key from there.