An engineer receives a report that indicates a possible incident of a malicious insider sending company information to outside parties.
What is the first action the engineer must take to determine whether an incident has occurred?
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The first action that an engineer must take to determine whether an incident has occurred after receiving a report of a possible malicious insider sending company information to outside parties is to analyze the precursors and indicators.
Analyzing precursors and indicators involves collecting and reviewing all available information related to the incident, including any logs or other data that may provide evidence of the insider's actions. The engineer should identify any anomalies or suspicious activity, such as unusual network traffic or file transfers, that may be indicative of the insider's actions.
By analyzing precursors and indicators, the engineer can determine whether an incident has occurred and the scope and severity of the incident. This information can then be used to develop an appropriate response plan, which may include actions such as containment, eradication, and recovery.
It is important to note that while informing the computer security incident response team (CSIRT) or product security incident response team (PSIRT) may be necessary as part of the response plan, it should not be the first action taken. Before involving a response team, the engineer should gather as much information as possible to ensure an effective and efficient response.