Can get Help with 2.9.27 hotspot??

RouterOS Beginner Basics
1

HI..
I have MK 2.9.27 with hotspot ..
infact there are hackers whose hacked my hotspot by taking user MAC address and injct with victim online clint .
is ther any method can prevent them from hack my hotspot ??

Thanks regard

2

please upgrade to a more recent version. yours is more than a year old