No, BIOS(Basic Input Output System) is not completely secure, as it can be vulnerable to malware, unauthorized access, corruption, and exploits. Advanced threats like BIOS rootkits can infect firmware, making them difficult to detect or remove. Weak passwords or outdated BIOS versions can also expose systems to security risks. To enhance BIOS security, users should enable Secure Boot to prevent unauthorized firmware, keep BIOS updated, set a strong BIOS password, enable TPM (Trusted Platform Module) for encryption, and only upgrade with manufacturer-approved updates. These steps help protect BIOS from potential threats and ensure system integrity.
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