21.   Macintosh owners once enjoyed much greater security against computer viruses than did owners of IBM- compatible PCs.

22.   Meanwhile, Cetron said likely demands for increased security against terrorism in America will not be realistic.

23.   Perfecting and building a limited national missile defense would give America added security against future threats from North Korea, Iran and Iraq.

24.   Overriding these themes is an even more primal concern of security against terrorism.

25.   PCS provides wireless voice and data services using digital technology, which promises to offer better clarity and security against fraud.

26.   PRIVATE EFFORT TO FIGHT DIGITAL THEFT Anti-fraud companies, like CardCops.com, are part of a growing number of private organizations acting as digital security against thieves.

27.   Security against the wrong-lane intrusions has been hampered because the Customs Service is building an inspection booth for southbound traffic, Tong said.

28.   State and local officials are playing a larger role in intelligence gathering and security against terrorism, she said, and is getting more information in return.

29.   Sprint Spectrum attributes success in D.C. to new features consumers get with the PCS phones, such as paging, caller-identification and increased security against wireless fraud.

30.   The company says it offers good voice quality, as well as better security against eavesdropping and longer battery life than analog service.