Sept 26 (Reuters) -

* DOORDASH SAYS EARLIER THIS MONTH, BECAME AWARE OF UNUSUAL ACTIVITY INVOLVING A THIRD-PARTY SERVICE PROVIDER

* DOORDASH SAYS APPROXIMATELY 4.9 MILLION CONSUMERS, DASHERS, AND MERCHANTS WHO JOINED OUR PLATFORM ON OR BEFORE APRIL 5, 2018, ARE AFFECTED

* DOORDASH SAYS ABLE TO DETERMINE THAT AN UNAUTHORIZED THIRD PARTY ACCESSED SOME DOORDASH USER DATA ON MAY 4, 2019

* DOORDASH, ON SECURITY INCIDENT, SAYS LAUNCHED AN INVESTIGATION AND OUTSIDE SECURITY EXPERTS WERE ENGAGED TO ASSESS WHAT OCCURRED

* DOORDASH SAYS FOR ABOUT 100,000 USERS, THEIR DRIVERґS LICENSE NUMBERS WERE ALSO ACCESSED.

* DOORDASH, ON SECURITY INCIDENT, SAYS FOR SOME DASHERS AND MERCHANTS LAST FOUR DIGITS OF THEIR BANK ACCOUNT NUMBER WAS ACCESSED

* DOORDASH SAYS USER'S CREDIT CARD INFORMATION SUCH AS FULL PAYMENT CARD NUMBERS OR A CVV WAS NOT ACCESSED

* DOORDASH, ON SECURITY INCIDENT, SAYS INFORMATION ACCESSED IS NOT SUFFICIENT TO MAKE FRAUDULENT WITHDRAWALS FROM CUSTOMERS' BANK ACCOUNT

* DOORDASH, ON SECURITY INCIDENT, SAYS DO NOT BELIEVE THAT USER PASSWORDS HAVE BEEN COMPROMISED

* DOORDASH SAYS TOOK IMMEDIATE STEPS TO BLOCK FURTHER ACCESS BY THE UNAUTHORIZED USER AND TO ENHANCE SECURITY ACROSS OUR PLATFORM

* DOORDASH, ON SECURITY INCIDENT, SAYS ENCOURAGING ALL OF THOSE AFFECTED TO RESET THEIR PASSWORDS

* DOORDASH -USER DATA ACCESSED MAY INCLUDE PROFILE INFORMATION LIKE NAMES, EMAIL ID'S , ADDRESSES, ORDER HISTORY, PHONE NUMBERS, Validcc.Net referral code HASHED, SALTED PASSWORDS

* DOORDASH SAYS STEPS TO ADDRESS MATTER INCLUDE ADDING ADDITIONAL PROTECTIVE SECURITY LAYERS AROUND DATA, IMPROVING SECURITY PROTOCOLS THAT GOVERN ACCESS TO SYSTEMS Source text: website