Stock photography, photos: computer access security Stock photos of computer security and restricting access Photograph: © Terry Why Click for a larger image and more information Keywords associated with this stock photo: computer, online, internet, access, connect, connection, safe, safty, prohibit, refuse, restrict, restriction, exclude, web, www, email, broadband, denied, password, entery, no, ban, safeguard, guard, defend, defence, hack, hacker, spam, danger, problem, prevent, prevention, block, control, barrier, download, risk, surf, childsafe, obstruct, permission, authorise, allow, permit, forbid, sanction, enable, veto, obstacle, exclusion, communication, deny, secure, security, unsecure, it, technology