1. An infestation tracking system comprising: a data receiver arranged to: i) receive work data, including data indicative of a location and whether any pest was located, from a data provider logged in to the infestation tracking system, and ii) receive (a) property data related to properties of interest from users who have subscribed to an alert system, the property data of each property of interest indicative of an address or location of the property, and (b) contact information for the user associated with the property a module arranged to upon receiving the work data: i) update an existing record in a database according to the received work data upon determining the record corresponds to the location based on a geographical matching process by including the received work data and automatically appending data provider data of the data provider based on the logged in account, ii) create a new record in the database according to the received work data upon determining that no record corresponding to the location exists based on a geographical matching process by including the received work data and automatically appending data provider data of the data provider based on the logged in account, and iii) responsive to receipt of the work data, determine whether any properties of interest are in a risk area corresponding to the updated record or the new record, based on a geographical matching process, and a data transmitter arranged to, upon the module determining that one or more properties are in a risk area, transmit a notification based on the updated record or the new record to the respective user using the contact information for the user associated with the property, the notification including details of the data provider that entered the work data, wherein the details of the data provider include at least one of a phone number, fax number, email address, physical address and website address.