There are 3 signs your brand has been hijacked in social media:
1. Someone is using your brand as their registered username, such as with a maliciously-intended spoof accounts.
2. Your trademarks and copyrighted content are used liberally, including within the name or description of pages, blogs, etc.
3. The look and feel is difficult to distinguish from your legitimate social media presence.
If it happened, how to strike back? Check it out:
1. Proactively register your brands as usernames across both leading and emerging social media sites.
2. Use tools to automatically search social media for unauthorized use of your brands and trademarks.
3. Take appropriate action—whether notifying the individual or contacting the social media site to report a violation of its terms of service—against unauthorized use.
4. Make sure your monitoring program is designed to provide constant vigilance to discourage repeat offenders as well as opportunists.