/usr/share/doc/harden-doc/html/securing-debian-howto/ is in harden-doc 3.18.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-bind-chuser.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-bind-chuser.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-bind-chuser.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-bridge-fw.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-bridge-fw.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-bridge-fw.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-checklist.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-checklist.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-checklist.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-chroot-apache-env.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-chroot-apache-env.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-chroot-apache-env.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-chroot-ssh-env.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-chroot-ssh-env.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-chroot-ssh-env.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-fw-security-update.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-fw-security-update.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-fw-security-update.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-harden-step.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-harden-step.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-harden-step.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-snort-box.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-snort-box.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ap-snort-box.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch-after-compromise.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch-after-compromise.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch-after-compromise.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch-automatic-harden.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch-automatic-harden.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch-automatic-harden.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch-sec-services.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch-sec-services.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch-sec-services.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch-sec-tools.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch-sec-tools.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch-sec-tools.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch1.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch1.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch1.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch10.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch10.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch10.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch12.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch12.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch12.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch2.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch2.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch2.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch3.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch3.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch3.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch4.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch4.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch4.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch7.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch7.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch7.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch9.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch9.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/ch9.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/footnotes.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/footnotes.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/footnotes.fr.html
/usr/share/doc/harden-doc/html/securing-debian-howto/index.de.html
/usr/share/doc/harden-doc/html/securing-debian-howto/index.en.html
/usr/share/doc/harden-doc/html/securing-debian-howto/index.fr.html