COMPUTER PROGRAMS IN THE FIELD OF SECURITY OF OPEN AND CLOSED DATA TRAFFIC, NAMELY E-MAIL TRAFFIC, STORED IN DATA MEDIA; DIGITAL INFORMATION AND DATA REGARDING COMPUTER PROGRAMS IN THE FIELD OF SECURITY OF OPEN AND CLOSED DATA TRAFFIC STORED IN DATA MEDIA; COMPUTER HARDWARE; COMPUTER PERIPHERALS; TELECOMMUNICATION DEVICES, NAMELY TELEPHONES, TELEPHONE SWITCHBOARDS, FAX MACHINES, MODEMS, ROUTERS, CELLULAR PHONES AND WALKIE-TALKIES