Final answer:
Among the listed reasons, only 'It might be a legitimate file from the boss' is non-dangerous regarding a suspicious .EXE email attachment. However, caution should still be exercised as .EXE files are commonly associated with malware and potential security breaches.
Step-by-step explanation:
If you receive an email from someone you recognize, such as your boss, but the email contains an odd .EXE file as an attachment, there are multiple reasons why it could be considered dangerous. However, among the options provided, the only potential non-dangerous reason is that 'It might be a legitimate file from the boss'. While this is a possibility, it is generally uncommon for .EXE files to be shared via email due to the risk of malware.
- It could contain malware, which is software designed to harm or exploit any programmable device, service, or network.
- It could initiate a security breach, meaning unauthorized access to data in a system or computer.
- It might trigger harmful software installation, which could compromise the computer's security and the network it is connected to.
Email attachments, especially ones with .EXE extensions, should always be approached with caution. If you're in doubt, directly contact your boss to confirm the legitimacy of the file before proceeding with opening or executing it. This consideration for email safety is a part of maintaining cybersecurity hygiene which is critical in protecting personal and organizational data.