Invalid traffic & fraud · also called Human fraud, manual fraud
Human fraud farms
Human fraud farms are organised groups of paid people who manually perform ad-related actions, such as clicking, installing, watching, signing up or reviewing, to fake genuine consumer engagement.
Some fraud does not need bots at all. Human fraud farms employ people, often in low-wage settings, to do by hand what bots do by script: click ads, install and open apps, create accounts, watch videos to completion, fill lead forms and post reviews. They are harder to detect than bots because the mouse movements, typing and taps are genuinely human.
These operations overlap with click farms, device farms and incentivized traffic networks, and they are frequently hired to beat anti-bot defences: when an advertiser pays only for actions a bot cannot easily fake, like passing a challenge, a human worker is cheaper. The MRC IVT guidelines include this manipulation in SIVT.
Detection focuses on the context around the human action: many accounts operated from the same devices or IP clusters, work-shift timing patterns, geography that does not match the target market, identical navigation sequences and poor downstream value such as no purchases, no repeat visits and chargebacks. Behavioral analysis still helps, because paid workers behave like people doing a repetitive job, not like curious shoppers.
Think of it like this
It is like paying a room of people to taste-test a product and fill out rave reviews without ever planning to buy it: the handwriting is real, the opinion is not.
An example
A B2B software firm sees 400 demo bookings in a month from one campaign; all were completed during the same eight-hour window each day, from 15 IP addresses, and not one prospect showed up to a call.
Related terms
Click farm
A click farm is an operation where low-paid workers, or racks of phones, repeatedly click ads, install apps, like posts or watch videos to fake genuine engagement.
Device farm
A device farm is a physical collection of real phones or TVs, often racked on walls and controlled by scripts or workers, used to generate fake installs, ad views and engagement.
Incentivized traffic
Incentivized traffic is visits, clicks, installs or ad views from people who were rewarded, with money, points, game currency or perks, to take the action, rather than acting from genuine interest.
Lead generation fraud
Lead generation fraud is submitting fake, stolen or incentivized form fills, such as sign-ups, quote requests or demo bookings, so that advertisers pay for leads that are not genuine prospects.
Behavioral analysis
Behavioral analysis in fraud detection is examining how a visitor interacts, such as mouse movements, taps, scrolling, typing rhythm and session timing, to tell real humans from bots and scripted activity.
Sources: MRC Invalid Traffic Detection and Filtration Guidelines Addendum (2020 update)