1. A non-transitory computer-readable medium including computer-executable instructions to perform method steps comprising: storing indicators for identifying fraudulent events related to a customer account, the indicators indicative of environmental information associated with fraudulent events when a fraudulent user accesses or interacts with a customer care system via a processor, the customer care system configured to allow access to or modification of the customer account; associating a risk probability with each of the indicators; defining one or more fraud models based on the indicators, wherein the one or more fraud models describe events indicative of fraudulent activity, wherein the one or more fraud models each includes a defined threshold; and determining that an event associated with the customer care system is indicative of fraud, wherein the event is associated with input indicative of environmental information when a user is accessing or interacting with the customer care system via the processor to access or modify the customer account, wherein the step of determining comprises: comparing the inputs associated with the event to the one or more fraud models; verifying that the event exceeds the defined threshold for similarity between the event and the one or more fraud models based on the comparison of the inputs associated with the event to the one or more fraud models; and determining whether a fraud event is triggered based on at least two inputs corresponding to at least two of the indicators and the associated risk probabilities of the indicators; wherein the indicators indicative of environmental information include an access channel used when accessing customer care operations in the past compared to the present, time patterns of access when accessing the customer care system in the past compared to the present, a frequency of failed attempts and a context of the failed attempts when accessing the customer care system, a contact number that is a non-designated number used to reach a customer care agent associated with the customer care system, an email address that is not a general customer care email address used to reach a customer care agent at the customer care system, and a number of transfers used to reach a customer care agent at the customer care system.