Man pages matching name gd::securityimage::magick in section 3pm:

GD::SecurityImage::Magick.3pm.en	debian 10 / libgd-securityimage-perl
GD::SecurityImage::Magick.3pm.en	debian 11 / libgd-securityimage-perl
GD::SecurityImage::Magick.3pm.en	debian 12 / libgd-securityimage-perl