If reports are to be believed, a new tool is circulating on underground forums that exploits a Facebook vulnerability to expose email addresses attached to user accounts.
A video of the tool in action was delivered to a number of cybersecurity professionals and later uploaded to YouTube by Alon Gal, co-founder and CTO of cybersecurity company Hudson Rock.
Earlier this month, Gal also lifted the lid on another Facebook data breach, which saw the account information of over 500 million users exposed online.
