As if e-commerce companies didn't have enough problems with transacting securely and defending against things like fraud, another avalanche of security problems — like cryptojacking, the act of illegally mining cryptocurrency on your end servers — has begun. We've also seen a rise in digital credit card skimming attacks against popular e-commerce software. Some of the attacks are relatively naive and un-targeted, taking advantage of lax security on websites found to be vulnerable, while others are highly targeted for maximum volume.