Anti-bully and anti-stalker best practise for Twitter

When being hit by a bully or a stalker attack on Twitter, the first reflexes guided by a strong emotion and an outraged indignation are generally the worst. Here, based on actual experiences we will present what should be, first, absolutely avoided for immediately safeguarding your personal assets and for depriving your tormentor from extra advantages. Then we will propose some simple best practise for managing your ereputation counter-campaign.