Example $-$ Bell$-$La Padula

Consider a Bell$-$La Padula implementation with the following security classifications: TOP SECRET, SECRET, CONFIDENTIAL, UNCLASSIFIED, and the following categories: Army, Navy, Airforce. Who has what access to which documents of the below, and what kind?

$\backslash$begin$\{$tabular$\}\{|$l$|$l$|$l$|$l$|\}$

$\backslash$hline Name & Security Level & Document & Security Level $\backslash \backslash$

$\backslash$hline Alan & SECRET, $\backslash \{$Army$,$ Navy$\backslash \}$ & Doc$1$ & $\backslash$begin$\{$tabular$\}\{$l$\}$

CONFIDENTIAL, $\backslash \backslash$

$\backslash \{$Army$\backslash \}$

$\backslash$end$\{$tabular$\}\backslash \backslash$

$\backslash$hline Brian & $\backslash$begin$\{$tabular$\}\{$l$\}$

SECRET, $\backslash \{$Army$,$ Navy, $\backslash \backslash$

Airforce $\backslash (\backslash \}\backslash )$

$\backslash$end$\{$tabular$\}$ & Doc$2$ & $\backslash$begin$\{$tabular$\}\{$l$\}$

SECRET, $\backslash \{$Navy$,\backslash \backslash$

Airforce $\backslash (\backslash \}\backslash )$

$\backslash$end$\{$tabular$\}\backslash \backslash$

$\backslash$hline Clive & CONFIDENTIAL, $\backslash \{$Navy$\backslash \}$ & Doc$3$ & SECRET, $\backslash \{$Navy$\backslash \}\backslash \backslash$

$\backslash$hline Dan & $\backslash$begin$\{$tabular$\}\{$l$\}$

TOP SECRET, $\backslash \{$Army$,$ Navy, $\backslash \backslash$

Airforce $\backslash (\backslash \}\backslash )$

$\backslash$end$\{$tabular$\}$ & Doc$4$ & UNCLASSIFIED, $\backslash \{\backslash \}\backslash \backslash$

$\backslash$hline

$\backslash$end$\{$tabular$\}$