Scarlett Johansson had her suspicions about Internet hacker

Scarlett Johansson regrets not acting on her suspicions when her email password mysteriously changed - because she feels sure she could have prevented the leak of nude photos.

The blonde beauty was devastated when a set of private, saucy shots - intended for her then-husband Ryan Reynolds - surfaced online back in September (11).

The perpetrator in connection with the scandal, Christopher Chaney, was tracked down and arrested a month later (Oct11) and charged with 25 counts of identity theft amid accusations he hacked into a number of private email accounts, including Johansson's.

But the damage was already done, and now the pretty Lost in Translation star is kicking herself for not being more technically savvy and realising that recurrent requests to change one's email password are not customary.

She says, "It was terrible... It was extremely creepy.

"What was even more creepy about it is that the person was obviously following me... My email password was constantly changing, for months and months and months. And I kept thinking, 'Why is my password always changing?' And so it meant the guy was really there, constantly, like, every 20 seconds. He (was) just sitting there all pasty, and sweaty, and pervy, and weird. That's the creepiest thing."