AT&T’s Federal Systems Division expects to be selling binary versions of its secure Unix implementation, certified to the B1 level defined by the US Orange Book of computer security specifications, by the end of this quarter. The Federal Systems Division says that the binary system, specifically for the AT&T 3B2 family, will not reflect what may happen to the source code in the future. AT&T Information Systems meanwhile is just embarking on the process, which takes at least two years, of getting a system up to B2 level. Although the Federal Systems Division’s secure implementation is more or less System V Interface Definition-compatible, the developers have taken short cuts, such as disregarding backward compatibility issues, in order to get a system together as soon as possible so as to cash in on some of the lucrative emerging US government contracts.
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