Online Advertising is one of the fastest growing businesses on the Internet today, with about $70 billion of a $600 billion advertising market already online. Search engines, web publishers, major ad networks, and ad exchanges are now serving billions of ad impressions per day and generating terabytes of user events data every day. We as "Ads Trust Safety" team are responsible for ensuring "Microsoft Ads a safer place for Advertisers, Publishers & End Users". We primarily work on Network protection, Fraud detection, Advertiser Compromise etc. to name a few, with challenges of Handling new & ever evolving Fraud MOs.