To counter this problem, heuristic detection scans for suspicious characteristics that can be found in unknown, new viruses and modified versions of known viruses. While useful and still in use, signature-based detection has become limited due to the continuous emergence of new viruses. Signature-based detection identifies malware by comparing code in a program to the code of known virus types that have already been encountered, analyzed and recorded in a database. In the early days of the commercial antivirus industry – 1990s into the 2000s – most solutions employed a series of common techniques. Protecting an organization’s digital assets against malware has become a challenge because of the sheer volume and diversity of the emerging threats. Why a New Approach to Antivirus Has Become Necessary?
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