The creator of the BrickerBot malware claimed credit for a cyberattack that caused over 60,000 internet outages in India from July 25 to July 29, 2017. The two companies affected were Bharat Sanchar Nigam Limited (BSNL) and Mahanagar Telephone Nigam Ltd (MTNL) The malware also affected routers that were part of BSNLs National Internet Backbone (NIB) Fortunately, these NIB routers were brought back up quickly, but thousands of users were without internet connectivity for an extended period of time. The author said that the cause of the attack was that the ISPs were allowing external connections into their network via port 7547.”]