Final answer:
The lawsuit against Hannaford Brothers alleged inadequate security measures and delayed disclosure of a security breach.
Step-by-step explanation:
The alleged reasons for filing the lawsuit against Hannaford Brothers were:
- Hannaford has installed inadequate security measures.
- Hannaford did not disclose the security breach to the public quickly enough.
- Hannaford sold the data to spammers.
Therefore, the correct answer is option 3) Hannaford sold the data to spammers was not alleged as a reason for filing the suit.