Academics who do not adhere to a particular line on gender and transgender issues have suffered intimidation by trans activists. The people under attack are not mavericks or extremists. They are feminists who question the trans-orthodox view that biological sex is a social construct while gendered identities are fixed and innate. They also seek to defend women’s sex-based rights. In this article, with Judith Suissa, we explain what is happening and consider what steps the higher education community needs to take to ensure that academic freedom is not curtailed.