3. The method of claim 2 , wherein assigning the confidence score to the other signature comprises: determining that the confidence score of the malware signature indicates the maximum level of confidence in the accuracy of the malware signature; and assigning, to the other signature, a confidence score that indicates a maximum level of confidence in the accuracy of the other signature based at least in part on the confidence score of the malware signature.
3. The method of claim 2 , wherein assigning the confidence score to the other signature comprises: determining that the confidence score of the malware signature indicates the maximum level of confidence in the accuracy of the malware signature; and assigning, to the other signature, a confidence score that indicates a maximum level of confidence in the accuracy of the other signature based at least in part on the confidence score of the malware signature. 4. The method of claim 3 , wherein: determining that the potentially malicious event and the other event occurred within the certain time period of one another comprises determining that the potentially malicious event and the other event occurred simultaneously; and assigning the confidence score that indicates the maximum level of confidence to the other signature comprises assigning, to the other signature, the confidence score that indicates the maximum level of confidence based at least in part on the potentially malicious event and the other event occurring simultaneously.