Information and communication technologies (ICT) are allied in the expansion of the feminist movement, however, they have also become its enemies due to the present cyber-violence towards the movement. This study aims to explore the comments on the 8M 2021 march in Tampico, Tamaulipas, posted on the Facebook platform. For this purpose, a content analysis was conducted, based on previous studies focused on social networks. As part of the results, we found mostly sarcastic comments against the march, related to gender violence on the network. Since these expressions seek to silence feminists and co-opt their right to demonstrate, it is concluded that this cyber-violence is a sign of the gender-based political violence experienced by this group.