^^^ What tariffs still exist that charge for excess bandwidth? That's a bit 90s.
Make a MCOL claim for the excess charges, and make a complaint to OFCOM. There's heaps of precedent for telecoms companies to be forced to refund excess charges.
If he pays by direct debit, just tell the bank that the payments were taken in error - The direct debit guaranty is very powerful.
The PC / laptop itself may be compromised, and running a bot. 90GB per month is a big whack of data for just some leacher to be using.
You can lock the router down further by not broadcasting the SSID, switching to WPA2 at a bare minimum, and enabling MAC address filtering.
^^^ What tariffs still exist that charge for excess bandwidth? That's a bit 90s.
Make a MCOL claim for the excess charges, and make a complaint to OFCOM. There's heaps of precedent for telecoms companies to be forced to refund excess charges.
If he pays by direct debit, just tell the bank that the payments were taken in error - The direct debit guaranty is very powerful.
The PC / laptop itself may be compromised, and running a bot. 90GB per month is a big whack of data for just some leacher to be using.
You can lock the router down further by not broadcasting the SSID, switching to WPA2 at a bare minimum, and enabling MAC address filtering.