They do not prevent fraud, nor do they catch any of your account activities. I've had two credit cards stolen and used online, and I've had personally open accounts and had credit checks for loans. Life Lock did not catch any of them, or if they did they never notified me. Lastly, I cancelled them in July 2021, and suddenly they renewed my account in March 2022 and began charging more money? I tried calling them to tell them that they were cancelled in July 2021 and to refund my money for charges in 2022. They stated that that they will cancel my subscription again in 2022, but they refused to refund my money. Had to go too my credit card to disput charges and block merchant to prevent any possible re-occuring charges. Bottom line - don't waste your money on a company that was subject of a class action law suit were they failed do what they advertised to do and resulted in a small check payout to past members.