You can now secure your bank account against hackers by following this simple rules, according to CBN.

In case you find yourself in the hands of 419, yahoo boys, or phone snatchers, that you think they may hack into your account for fund withdrawals. There is now a way out to stop debit transactions on your account by yourself.
Just be sure that you know your account number offhand or retrieve it where you might have written it (in case you don't know it offhand)
If it is your phone that is stolen just try and use any available cellphone from anyone else.

*Dial *966*911#*
Once you dial the code, it will prompt you with this message: "eaZybanking - Stop Debit Transactions"
Enter Account Number:
___________________

Enter your account number and press OK or Send. By doing this your account will be automatically frozen from any type of debit transactions immediately.
You can no longer withdraw money until you go to the bank yourself.

Source?

If this is true, then it's good.

But OP you self learn to quote your source in articles. People will be afraid to dial the said code because they no want enter bégè. They be thinking What if you dial and disclose accounts information to yahoo boys gôngôn. What if na yahoo boys publish am themselves. Lol....

Op. This code is for zenith bank users alone.
To stop debit on the account number, that is freezing the acct temporarily