Write a $15-$ to $20-$slide presentation for the CISO that includes the following: A list and description of different types of threats to both $(1)$ data storage and $(2)$ data backups including: External malicious threats $($attacker$)$ Internal non$-$malicious threats $($accidental employee$)$ Natural threats A chart that compares at least four types of data backup media to include the following for each media type: A graphic depiction $($typically a JPG or BMP file$)$ of the media type Storage capacity Advantages Disadvantages A description of a storage area network $($SAN$)$ to include: Purpose of a SAN and its typical uses Advantages Disadvantages A description of network$-$attached storage $($NAS$)$ to include: Purpose of a NAS and its typical uses Advantages Disadvantages A recommendation for a SAN and NAS for your organization to include: SAN and NAS types Recommended capacity for each The reasoning for your selections