/// ByteShield, Inc. (https://web.archive.org/web/20070216191623/http://www.byteshield.net/) was founded in 2004 (https://www.apollo.io/companies/ByteShield--Inc-/54a1357069702d4494ab9b00).
/// There is a website seemingly belonging to them that's been archived as early as 2004, but there doesn't appear to be anything useful on it (https://web.archive.org/web/20040615001350/http://byteshield.com/).
/// The ByteShield DRM itself is online activation based, using randomly generated activation codes it refers to as DACs (https://web.archive.org/web/20080921231346/http://www.byteshield.net/byteshield_whitepaper_0005.pdf).
/// It appears that ByteShield advertised itself around online web forums (https://gamedev.net/forums/topic/508082-net-copy-protection-c/508082/ and https://cboard.cprogramming.com/tech-board/106642-how-add-copy-protection-software.html).
/// Patent relating to ByteShield: https://patentimages.storage.googleapis.com/ed/76/c7/d98a56aeeca2e9/US7716474.pdf and https://patents.google.com/patent/US20100212028.
///
/// Games known to use it:
/// Football Manager 2011 (https://community.sigames.com/forums/topic/189163-for-those-of-you-struggling-with-byteshield-activation-issues/).
///
/// Publishers known to use it:
/// PAN Vision (http://web.archive.org/web/20120413160122/http://www.byteshield.net/ -> Company -> Milestones).
/// JIAN (http://web.archive.org/web/20120413160122/http://www.byteshield.net/ -> Company -> Milestones).
/// GamersGate (http://web.archive.org/web/20120413160122/http://www.byteshield.net/ -> Company -> Milestones).