DIA WASHINGTON, DC//DSM-4//
          AIG 7894
          AIG 7005
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          NAVWPNCEN CHINA LAKE, CA//CODE 2408//
          SECDEF WASHINGTON DC//C3I-T/C3I-IS/
          JOINT STAFF WASHINGTON DC//6JT/DIRM:SCD/
          HQ AFOSI BOLLING AFB DC//IVSC/SCX//
          AFCSC KELLY AFB TX//SR/SRE/SRM/SRMA//
          HQ ESC KELLY AFB TX//INAR//
          DA WASHINGTON DC//DAMI-AM/DAMI-CIC/SAIS-SS//
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          CDRUSAOPSGP FT GEORGE G MEADE MD
               //IAGPC-TSE//
          CDR730THMIBN MUNICH GE//IAGPE-SCM//
          COMNAVINTCOM WASHINGTON DC//OOQ/OOJ//
          NAVINVSERV ERREG LONDON UK//60HQ//
          NAVINVSERVRA LONDON UK//60LN//
          AFOSI DET 7008 MUNICH GE//CC//
          CMC WASHINGTON DC//INTX//
          USCENTCOM MACDILL AFB FL//J2/J6//
          USCINCEUR VAHINGEN GE//ECJ2/ECJ2-P/ECJ6/EUCOM AIDES//
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          CDRINSCOM FORT BELVOIR VA//IAIM-AUT-L//
          NAVELEXSECCEN WASHINGTON DC//CODE 04/CODE 043//
          DCAA CAMERON STATION VA//OWN//
          CMC WASHINGTON DC//CODE CCIS//
          DIS WASHINGTON DC//V0060//
          DMATSC RESTON VA//IS//
          SECDEF WASHINGTON DC//USDP/DSAA//
          DLA CAMERON STATION VA//IA//
          SECDEF WASHINGTON DC//PHYSICAL SECURITY DIV//
          USUHS BETHESDA MD//UCC//
          SECDEF WASHINGTON DC//DARPA-ITSO/SQUIRES//
          SDIO WASHINGTON DC//POI//
          NCRLANT NORFOLK VA//
          DOE LIVERMORE CA//LLNL//
SUBJECT: COMPUTER SECURITY ALERT FOR CONTINUED ELECTRONIC PAGER
MISUSE. (ASSIST 91-14) (U).
1. (U) ASSIST MESSAGE 91-11 PROVIDED INITIAL INFORMATION ABOUT AN
ABUSE OF THE PAY-PER-CALL SERVICE BEING OFFERED BY LOCAL PHONE
COMPANIES.  THE SCAM IS THAT AN INDIVIDUAL SETS UP A LOCAL
PAY-PER-CALL SERVICE WITH HIS LOCAL CARRIER AND THEN SETS TO
CALLING RANDOM ELECTRONIC PAGERS (BEEPERS) HOPING FOR A CALL
BACK.  WHEN THE PAGE IS RETURNED BY UNSUSPECTING SERVICE
PERSONNEL, THE CALLING PHONE IS BILLED FOR THE PHONE CALL AND A
SET FEE (REPORTEDLY BETWEEN $55 AND $60).
2. (U) UP UNTIL RECENTLY ASSIST WAS AWARE OF THIS ACTIVITY BEING
OFFERED IN THE NEW YORK AREA EXCHANGE (212) 540 ONLY.  RECENT
INFORMATION INDICATES THAT WITHIN THE NEW YORK AREA CODE (212)
EXCHANGES 970, 550, 976, AND 394 ARE ALSO AVAILABLE PAY-PER-CALL.
ADDITIONALLY, ANY INTEREXCHANGE CARRIER (BELL OPERATING COMPANY)
CAN OFFER THIS SERVICE.   
3. (U) LOCAL SECURITY OFFICERS ARE ENCOURAGED TO CONTACT THEIR
LOCAL EXCHANGE CARRIER AND REQUEST THE EXCHANGE NUMBERS WITHIN
THEIR AREA WHICH ARE UTILIZED BY PAY-PER-CALL AND ADD THAT
INFORMATION TO THIS ALERT.  DISSEMINATION OF THIS INFORMATION TO
ALL PAGER HOLDERS IS STRONGLY ENCOURAGED.  
4. (U) SERVICE PERSONNEL ARE ASKED TO THINK TWICE BEFORE
RETURNING A CALL TO AN UNKNOWN NUMBER.  THIS ACTIVITY COULD BE
SPREADING TO OTHER MAJOR CITIES, FURTHER CONFUSING THE CALL BACK
ROUTINE.  SHOULD PERSONNEL CARRYING PAGERS RETURN A CALL AND THEY
SUSPECT THAT THIS OPERATION IS BEING RUN AGAINST THEM, THEY ARE
ENCOURAGED TO IMMEDIATELY CONTACT THEIR LOCAL ARMY CRIMINAL
INVESTIGATION DIVISION, NAVAL INVESTIGATIVE SERVICE, OR AIR FORCE
OFFICE OF SPECIAL INVESTIGATIONS.
5. (U) ASSIST POINT OF CONTACT FOR THIS MATTER IS MIKE HIGGINS,
COMM (703) 284-0182 / DSN 251-0182.  ASSIST CAN BE REACHED 24
HOURS PER DAY, COMMERCIAL PAGER (202) 896-6863 (FROM A TOUCH TONE
PHONE ENTER THE CALL BACK NUMBER AFTER THE TONE PROMPT) OR
AUTOVON DIAL 243-8000 AND ASK TO HAVE THE ASSIST DUTY OFFICER
PAGED.