The process of examining a file included with an electronic message for malicious code is a critical security measure. This examination aims to identify and neutralize threats such as viruses, worms, Trojans, and other malware before they can compromise a system or network. An example of this would be when an antivirus program analyzes a document received via email before it’s opened.
The importance of this security practice cannot be overstated. It acts as a primary defense against cyberattacks, preventing data breaches, system corruption, and financial losses. Historically, the rise of email as a communication tool has been accompanied by a parallel increase in malware distribution through attachments, making this preventive step essential for maintaining digital safety and operational continuity.