As Myles Jackman, a specialist in obscenity law at Hodge Jones and Allen and @Obscenity Lawyer on Twitter, puts it:"An individual is still in technical possession of an image if it has been cached by a browser.
The evidential question will be whether that individual accessed or requested the original image deliberately."In general, prosecutors treat these cases on individual bases.
In reality, though, the issue of online cheating is more complex—especially when it concerns sexual activities involving actual interaction with other individuals.
People, consciously or not, consider their online sexual relationships as real—they experience psychological states similar to those typically elicited by offline relationships.
Do paper-cuts qualify as 'trifling infliction of injury'?
This may sound flippant, but there's no hard and fast definition for these issues, and they're likely to differ from case to case.
Other people are willing to concede that cybersex without the knowledge of their partner, ; nevertheless, some still maintain it's a type of "OK" cheating.