On the first day of the convention, there is a nuisance cyberattack. The DNC website is hacked and when someone goes to the site an ad appears announcing that Ruby Ridge and the Malheur National Wildlife Refuge standoff reflect the patriotism and independence of real Americans and is signed by the Free People for a Sovereign and Just America. Social media is exploding with a range of comments from diverse groups outside the venue, some of which are inciting members to violence. This does result in fights and shoving matches near the TD Garden between a number of groups. Around midday on the day of the candidate's acceptance speech, there is breaking news: Daesh (the Islamic State of Iraq and Syria (ISIS)) has announced on Twitter that it has plans in place to strike at America's heart by executing political leaders and their godless constituents.

Based on the situation above:

Provide recommendations for mitigating the risk scenario based on the initial contextual information and the potential crisis.