Final answer:
Intentional breaches of security involve specific actions aimed at compromising system security, including denial of service attacks, backdoor creation, email hijacking, and password cracking.
Explanation:
Intentional breaches of security involve actions that are carried out with the purpose of compromising the security of a system. Selecting the intentional breaches of security from the list provided:
- Conducting denial of service attacks: Overwhelming a system or network to prevent legitimate users from accessing resources.
- Creating backdoors: Introducing hidden entry points into a system to bypass security measures.
- Hijacking emails: Unauthorized access to email accounts for malicious purposes.
- Cracking passwords: Breaking into systems by decrypting passwords to gain unauthorized access.
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