Suspected DDoS during a specific game on PS3

gravitygbaby
Grasshopper

Over the last few months, my girlfriend keeps getting not only kicked off of her one game on PS3 but the entire internet crashes and follows a pattern where I am able to ping the modem for 20 seconds, then fails for 30 seconds. This can last an entire night. I've contacted Shaw a couple times already on it and had the modem replaced to no avail and I'm getting frustrated because I feel like I can't do anything to solve this issue.

After doing some research, I am certain it's a DDoS attack because:
- Third party programs exist to accomplish this
- Voice chat programs within games not being very secure to obtain IP information

- Happened shortly after a former friend of my girlfriend's who she played with ended up turning against her

I had thoughts of investing in a VPN but if this person has the IP already, it will not change anything. I also can't seem to ask for a change in IP from Shaw so I don't know what else I can do. I'm open to any realistic suggestions. Thanks!

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