Canon

SECURITY-class Mjolnir

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Security
GEN3
HINF SECURITY GEN3 Helmet Icon.png
GEN2
Green Background Security.png
GEN1 Mark VI
HTMCC H3 Security Crop.png
GEN1 Mark V
SECURITY-class Mjolnir from Halo: Reach armor permutation in Halo: The Master Chief Collection menu.
Production overview

Manufacturer(s):

Misriah Armory[1]

Testing site(s):

Mars (development)[1]

Type:

MJOLNIR (GEN1)

MJOLNIR (GEN2)[4]
MJOLNIR (GEN3)[5]

Role(s):

Ship and station defense[6]

 

SECURITY-class Mjolnir, also designated as the MJOLNIR Powered Assault Armor/M variant, is a MJOLNIR armor variant adapted from an infiltration prevention suit designed by Misriah Armory.[1]

GEN1 overview

Development history

The Security variant was first manufactured in the Misriah Armory facility on Mars in 2528.[7] After Mark V was released, this armor was adapted to its use. Like most MJOLNIR variants, the later model of the Security helmet had been upgraded to be compatible with all MJOLNIR Mark VI variants.[2] The Mark V iteration of the helmet is compatible with CBRN, UA, CNM and HUL attachments.

After the first wave of GEN2 systems, based on requests of veteran Spartan-II and Spartan-III operatives, the UNSC Ordnance Commission considered reassessing a refined and upgraded version of the EVA-class Mjolnir suit. This led to the creation of the WRATH-class Mjolnir where its right shoulder pad is based off the Mark V Security shoulders.[8][9] SECURITY [GEN1] helmets continued to be used by Misriah Armory's executive protection teams after the Covenant War. These helmets have been upgraded to be compatible with GEN2 systems, though corporate representatives balk at releasing its custom VISR.[10] As late as 2560, GEN1 Security shoulders could still be requisitioned by Spartans, upgraded to be roughly equivalent to GEN3.[11][5]

  • Mark V variant.

    Mark V variant.

  • Mark VI variant.

    Mark VI variant.

  • GEN2-upgraded Mark V variant.

    GEN2-upgraded Mark V variant.

GEN2 overview

Design details

The GEN2 variants helmet has two watchdog AIs hovering at the edges of the SECURITY VISR interface, alert for cyberintrusion attempts and sensor anomalies that could indicate subversion of connected surveillance networks.[4] The armor also seamlessly integrates with Navy networks and security constructs.[6]

Development history

The GEN2-era Security set was built to Spartan branch requirements for ship and station defense personnel.[6]

GEN3 Overview

Design details

The GEN3 Security helmet is specialized in cyber-defense, with dedicated watchdog AI hosting hardware to locate compromised battlenet branches and burn out intruding constructs.[5]

In-game information

Halo 3 - Mark VI

The Security armor is available as an armor permutation in Halo 3. The set consists of a helmet and shoulders; in the Xbox 360 editions of Halo 3 the helmet additonally comes with a small antenna attachment for the right shoulder. This was retained in the launch-era version of Halo: The Master Chief Collection, though the addition of Halo 3 on PC and the start of Series 2 saw the antenna detached from the helmet and selectable as its own chest option separate from the Security helmet. Later on in Series 7: Elite, the antenna chest option was removed and reverted back to only displaying while the accompanying helmet was equipped. If any of the chest items from Halo Online or Halo: Fireteam Raven are equipped, the antenna simply does not display.

The helmet's most noticeable feature is the larger, more prominent "figure-eight" shaped visor which looks almost bug-eyed. It bears resemblance to that of a modern day fighter jet pilot helmet. This helmet is inspired by the protagonist of Marathon, although the mouth is covered. The helmet is large with a small raised section on the forehead in the form of the Marathon logo. Wearing the helmet will also add a small antenna and dial to the right shoulder.

Armor Description Unlock requirements
(Halo 3) 		Unlock requirements
(Halo: MCC)
HTMCC H3 Security Menu Render.png
Security 		Helmet: The Mjolnir(m) variant was manufactured at the Misrah Armories Facility on Mars in 2528. It has been upgraded and modified to be compatible with all current-issue armor variants. Get a total of 1000 gamerscore in Halo 3. Unlocked by default.
Shoulder: The Mjolnir Mark V(m) Powered Assault Armor was originally manufactured in 2528 and recently upgraded to be compatible with all current-issue armor variants. Get a total of 750 gamerscore in Halo 3. Note: These shoulders are known to be buggy, and may not unlock.
Chest: N/A N/A Unlocked by default (Season 2), now unobtainable
MCC: The first SECURITY variant was manufactured in 2528. Unlocked by default

Halo: Reach - Mark V

"The MJOLNIR(M) variant helmet was manufactured at the Misriah Armories facility on Mars in 2528."
All variants of the Security helmet in Halo: Reach from left to right; BASE, UA/HUL and CBRN/CNM.

The Security armor returns as an armor permutation in Halo: Reach, mostly unchanged from the Halo 3 incarnation - though with the removal of the antenna chest. The Security right shoulder is equipped with a Kukri knife, and is used by Emile in the campaign. Halo: Reach introduces some additional similarly-named armor, the UA/Base Security set - details on the Base Security addons can be found here.

Armor Description Unlock requirements
(Halo: Reach) 		Unlock requirements
(Halo: MCC)
HR Security Helmet Icon.png
Security helmet 		All (M) variant helmets have been upgraded to be compatible with all current issue armor. Halo: Reach rank icon General, 250,000 cR Series 1, Tier 90 (Spartan Point 1)
HR Security UAHUL Helmet Icon.png
Security (UA/HUL) 		Up-armored variant with hardened uplink module for MILINT acquisition. Halo: Reach rank icon General, 200,000 cR Series 1, Tier 96 (Spartan Point 1)
HR Security CBRNCNM Helmet Icon.png
Security (CBRN/CNM) 		For operations in hazard zones; command network module. Halo: Reach rank icon Legend, 200,000 cR Series 1, Tier 99 (Spartan Point 1)
HR Security LShoulder Icon.pngHR Security RShoulder Icon.png
Security shoulders 		The Supplemental Armor, Pauldron, MJOLNIR(M) variant was originally manufactured in 2528. Halo: Reach rank icon General, 70,000 cR (left) 250,000 cR (right) Series 1, Tier 83 (Spartan Point 1) (both)

Halo 5: Guardians - Upgraded GEN1 and GEN2

Security returns as an armor permutation in Halo 5: Guardians, after a noticeable absence in Halo 4. The armor has been redesigned for GEN2, though retains some characteristis of the original Halo 3 and Reach iterations. A Reach-styled iteration was later introduced in the Memories of Reach update as the Security [GEN1] helmet, with the right shoulder also appearing on the WRATH armor set based on that worn by Emile.

Armor Description Unlock requirements (Halo 5: Guardians)
H5G REQ Helmets Security GEN1 Rare
Security GEN1 (helmet) 		SECURITY [GEN1] helmets continued to be used by Misriah Armory's executive protection teams after the Covenant War. These helmets have been upgraded to be compatible with GEN2 systems, though corporate representatives balk at releasing its custom VISR.
H5G REQ Helmets Security Rare
Security (helmet) 		Two watchdog AIs hover at the edges of the SECURITY VISR interface, alert for cyberintrusion attempts and sensor anomalies that could indicate subversion of connected surveillance networks. Rare REQ card
H5G REQ Helmets Security Oppressor Ultra Rare
Security Oppressor (helmet skin) 		Two watchdog AIs hover at the edges of the SECURITY VISR interface, alert for cyberintrusion attempts and sensor anomalies that could indicate subversion of connected surveillance networks. Ultra Rare REQ card
H5G REQ Helmets Security Watchdog Ultra Rare
Security Watchdog (helmet skin) 		Two watchdog AIs hover at the edges of the SECURITY VISR interface, alert for cyberintrusion attempts and sensor anomalies that could indicate subversion of connected surveillance networks. Ultra Rare REQ card
REQ Card - Armor Security.png
Security (body) 		Built to Spartan branch requirements for ship and station defense personnel, SECURITY armor seamlessly integrates with Navy networks and security constructs. Rare REQ card
REQ Card - Armor Security Oppressor.png
Security Oppressor (body skin) 		Built to Spartan branch requirements for ship and station defense personnel, SECURITY armor seamlessly integrates with Navy networks and security constructs. Ultra Rare REQ card
REQ Card - Armor Security Watchdog.png
Security Watchdog (body skin) 		Built to Spartan branch requirements for ship and station defense personnel, SECURITY armor seamlessly integrates with Navy networks and security constructs. Ultra Rare REQ card

Halo Infinite - Upgraded GEN1 and GEN3

The Security Mark V shoulder pauldrons return in Halo Infinite, available under the SAP category for the Mark V(B) core.[5] Security GEN3 helmet—alongside an exclusive helmet attachment, was introduced as part of the Aquahex Super Bundle at the start of Season 03: Echoes Within. Season 05: Reckoning added the Mark V Security helmet.

Helmet Manufacturer Lore Rarity Unlock Requirements
SAP/MCustomization Icon
SAP/SEC[Note 1] 		Misriah Armory This shoulder armor was a simple adaptation of gear already utilized by Misriah corporate security. Epic
  • Left: Winter Update Battle Pass level 4 (Free)
  • Right: Winter Update Battle Pass level 5 (Free)
Customization IconCustomization Icon
SAP/SEC [K] 		Misriah Armory This shoulder armor was a simple adaptation of gear already utilized by Misriah corporate security. Legendary
  • Left: Winter Update Battle Pass level 27 (Free)
  • Right: Winter Update Battle Pass level 28 (Free)
HINF SECURITY GEN3 Helmet Icon.png
Security GEN3 		Misriah Armory The latest SECURITY helmets are focused on cyber-defense, with dedicated watchdog AI hosting hardware to locate compromised battlenet branches and burn out intruding constructs. Legendary
  • Purchase "Aquahex" Super Bundle from the Shop for 2,200 cR
  • Purchase "Security GEN3" Bundle from the Shop for 1,200 cR
HINF Oppressor Mark II Helmet Attachment Icon.png
Oppressor Mark II 		Misriah Armory The Oppressor sub-variant of the GEN2 Security armor has become its own dedicated offensive netwar ensemble. Legendary
  • Purchase "Aquahex" Super Bundle from the Shop for 2,200 cR
  • Purchase "Security GEN3" Bundle from the Shop for 1,200 cR

Attachments

Production notes

Language Equivalent
Flag of France.png
French 		Sécurité in Halo 3 and Halo: Reach.

Security in Halo 5: Guardians.

  • The SECURITY-class helmet (as well as the Mark VI version's pauldrons) is based on that worn by the protagonist of the Marathon series, who is known only as the "Security Officer". The Marathon logo is featured prominently on the Mark VI version of the helmet (just above the visor) in Halo 3. The Mark V Security helmet in Halo: Reach and Halo 5: Guardians lacks the symbol, likely due to intellectual property concerns (as Bungie retained the Marathon IP after leaving Microsoft). However, the Reclaimer symbol (a modified version of the Marathon logo) appears on the GEN2 version of the helmet in Halo 5: Guardians.
  • The Halo Encyclopedia (2009 edition) erroneously states the Security armor was manufactured in 2543 rather than 2528.[citation needed]
  • During the development of Halo 5: Guardians, the GEN2 Security armor was designated "A067" when it was conceived.[12]

Gallery

Main-Superintendent.png Browse more images in this article's gallery page.

Concept art and illustrations

Developmental images

  • The character sprite of the Marathon's security officer in his battle armor, which became the basis for the Security armor.

    The character sprite of the Marathon's security officer in his battle armor, which became the basis for the Security armor.

  • Security officer's HD sprite from the Xbox LIVE Arcade port of Marathon 2: Durandal.

    Security officer's HD sprite from the Xbox LIVE Arcade port of Marathon 2: Durandal.

  • Renders of the GEN2 Security armor for Halo 5: Guardians.

    Renders of the GEN2 Security armor for Halo 5: Guardians.

  • Prop of Owen-B096's Security shoulder for Halo: Outpost Discovery.

    Prop of Owen-B096's Security shoulder for Halo: Outpost Discovery.

Screenshots

  • A Spartan-II clad in full Security armor in Halo 3.

    A Spartan-II clad in full Security armor in Halo 3.

  • A Spartan-II clad in full Security armor in Halo 3.

    A Spartan-II clad in full Security armor in Halo 3.

  • A Spartan-II clad in full Security armor in Halo 3.

    A Spartan-II clad in full Security armor in Halo 3.

  • The antenna attachment on the right shoulder in Halo 3.

    The antenna attachment on the right shoulder in Halo 3.

  • Security right shoulder with kukri in Halo: Reach.

    Security right shoulder with kukri in Halo: Reach.

  • A Spartan-III with the UA/HUL attachments on Mark V Security in Halo: Reach.

    A Spartan-III with the UA/HUL attachments on Mark V Security in Halo: Reach.

  • A Spartan-IV using GEN2 Security in Halo 5: Guardians.

    A Spartan-IV using GEN2 Security in Halo 5: Guardians.

  • A Spartan-IV using GEN1 Security in Halo 5: Guardians.

    A Spartan-IV using GEN1 Security in Halo 5: Guardians.

  • GEN1 Security with the GEN2 Security skins in Halo 5: Guardians.

    GEN1 Security with the GEN2 Security skins in Halo 5: Guardians.

  • A SAP/SEC shoulder in Halo Infinite.

    A SAP/SEC shoulder in Halo Infinite.

  • A Spartan-IV (left) wearing a GEN3 Security helmet in Halo Infinite.

    A Spartan-IV (left) wearing a GEN3 Security helmet in Halo Infinite.

  • GEN3 Security helmet with Deep Stalker armor coating in Halo Infinite.

    GEN3 Security helmet with Deep Stalker armor coating in Halo Infinite.

Halo 5: Guardians skins

  • Default skin.

    Default skin.

  • Oppressor skin.

    Oppressor skin.

  • Watchdog skin.

    Watchdog skin.

List of appearances

Notes

  1. ^ SAP/M in Season 01: Heroes of Reach.

Sources

  1. ^ a b c Halo 3, Spartan Armor Customization: Security - Helmet Description "The Mjolnir(m) variant was manufactured at the Misrah Armories Facility on Mars in 2528. It has been upgraded and modified to be compatible with all current-issue armor variants."
  2. ^ a b c Halo 3, Spartan Armor Customization: Security - Shoulders Description "The Mjolnir Mark V(m) Powered Assault Armor was originally manufactured in 2528 and recently upgraded to be compatible with all current-issue armor variants."
  3. ^ Halo: Reach, Armory: Security - Helmet Description "All (M) variant helmets have been upgraded to be compatible with all current issue armor."
  4. ^ a b Halo 5: Guardians, Armor Permutations: Security - Helmet Description "Two watchdog AIs hover at the edges of the SECURITY VISR interface, alert for cyberintrusion attempts and sensor anomalies that could indicate subversion of connected surveillance networks."
  5. ^ a b c d Halo Infinite, Armor Hall
  6. ^ a b c Halo 5: Guardians, Armor Permutations: Security - Body Description "Built to Spartan branch requirements for ship and station defense personnel, SECURITY armor seamlessly integrates with Navy networks and security constructs."
  7. ^ Halo: Reach, Armory: Security - Shoulders Description "The Supplemental Armor, Pauldron, MJOLNIR(M) variant was originally manufactured in 2528."
  8. ^ Halo 5: Guardians, Armor Permutations: WRATH - Helmet Description "Formally an upgrade of existing Mark V EVA suits, the WRATH project was actually a cover to develop a new Mjolnir variant specifically tailored to the needs of future Headhunter teams."
  9. ^ Halo Waypoint, Canon Fodder - Noble Intentions (Retrieved on Jul 8, 2016) [archive]
  10. ^ Halo 5: Guardians, Armor Permutations: Security [GEN1] - Helmet Description "SECURITY [GEN1] helmets continued to be used by Misriah Armory's executive protection teams after the Covenant War. These helmets have been upgraded to be compatible with GEN2 systems, though corporate representatives balk at releasing its custom VISR."
  11. ^ Halo Waypoint, Canon Fodder - Parallel Threads (Retrieved on Jun 25, 2021) [archive]
  12. ^ Halo Waypoint, Canon Fodder - Sustained Glass (Retrieved on Jul 9, 2021) [archive]

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List of armor permutations by game title

v • d • e
 
List of armor permutations in Halo 3
Bungie Armor • CQB • EOD • EVA • HAYABUSA • Mark V • Mark VI • ODST • Recon • Rogue • Scout • Security • Katana
MCC-exclusive Spartan armor
Air Assault • Aviator • COS • Compass • Deadeye • Demo • Hammerhead • Hivemind • Infiltrator • Lancer • Mirage • Navigator • Nomdagro • ODST (COMM • DEMO • HVY • TAC) • Pioneer • Rhine • Soldier • Suture • Tanker • Warrior
MCC-exclusive Elite armor
Fractures Spartan armor
v • d • e
 
List of armor permutations in Halo: Reach
Spartan armor
Air Assault • Commando • CQB • CQC • EOD • EVA • Grenadier • GUNGNIR • HAZOP • JFO • Mark V • Mark V[B] • Mark VI • Military Police • ODST • Operator • Pilot • Recon • Scout • Security • AKIS (MCC only) • Mariner (MCC only)
Spartan supplemental armor
Assault • Collar • FJ/PARA • Hard-point (HP) • Jump Jet restraints • Sniper • Tactical • Up-armored (UA) • GRD (MCC only) • EXO/TSCS (MCC only)
Elite armor sets
Fractures Spartan armor
Cut armor
v • d • e
 
List of armor permutations in Halo 5: Guardians
Achilles • Air Assault • Anubis • Argonaut • Argus • Athlon • Atlas • Aviator • Breaker • Buccaneer • CQB • Centurion • Challenger • Cinder • CIO • Commando • Copperhead • Cyclops • Cypher • Deadeye • Decimator • Defender • Dynast • EOD • Enforcer • Engineer • EVA (GEN1 and GEN2) • Fenrir • Foehammer • FOTUS • Freebooter • Goblin • GUNGNIR • Helioskrill • Hellcat • Helljumper • Hermes • Hunter • Icarus • Indomitable • Infiltrator • Interceptor • Intruder • Jumpmaster • Legionnaire • Locus • Mako • Marauder • Mark IV • Mark V (Alpha and Delta) • Mark VI (GEN1 and GEN2) • Maverick • Military Police • Nightfall • NOBLE • Nomad • Olive • Operator (GEN1 and GEN2) • Orbital • Pathfinder • Pioneer • Pilot • Protector • Raider • Raijin • Ranger • Reaper • Recluse • Recon (GEN1 and GEN2) • Recruit • Rogue • Scanner • Scout • Security (GEN1 and GEN2) • Seeker • Shinobi • Soldier • Stalker • Stinger • Strider • Teishin • Technician • Timmy • Tracer • Tracker • Valkyrie • Vector • Venator • Venture • Vigilant • Viper • Void Dancer • Warrior • War Master • Wetwork • Wrath
v • d • e
 
List of armor permutations in Halo Infinite
Spartan armor

Mark VII (Achilles • Agitator • Anubis • Armet • Aviator • Barrister • Brawler • Camazotz • Cavallino • Celox • Cestus • Champion • Courier • Deadeye • Dokkaebi • Eclipse • Emissary • Enigma • Firefall • Flanker • Hawker • Helioskrill • ISR • Kai-125 • Linebreaker • Magister • Mark V Zeta • Mark VI • Mark VI MOD • Mark VII • Menachite • Mercury • Rampart • Renegade • Riz-028 • Rockeye • Security GEN3 • Soldier • Sovereign • Spartanstein • Stormfall • Talon • Thremaleon • Trailblazer • Trendlock • Torchbearer • Tormenter • Vannak-134 • Volant • War Master • Winterknight • XM55 ACH • Zvezda)
Mark V [B] (Air Assault • Commando • CQB • CQC • EOD • EVA • Grenadier • GUNGNIR • HAZOP • JFO • Mark V • Mark V [B] • Mark VI • Military Police • ODST • Operator • Pilot • Recon • Scout • Security)
Rakshasa (AKIS II-GRD • Artaius • Assailer • Bunyip • Cambion • Conqueror • Cutthroat • Lechuza • Locus • Morrigan • Negotiator • Rakshasa • Rasetsu • Scorn • Shikari • Stribog • Taskmaster • Ullr • Viper)
Mirage IIC (Athlon • Balor • Belus • Erinyes • Extender • Mirage IIC • Neith • Nexus • Skymarcher • Squire • Street Viper • Tyro • Veles)
Hazmat (Ashmaw • Burrowlens • Farkas • Mark VI CBRN • Notus • Oberon • OSTEO • Ogun • Project CORSAC • Serket • Skarbnik • Steelheart • Temfor • Voidspear)

Mark IV (Ardent • Emil • Isidor • Mark IV • Paladin • Theodor • Ulrich • Valiant • Wilhelm • Ypsilon • Zacharias • Ärger • Ökonom)
Spartan armor accessories
AAP • FC • FCI • SAP • TAC (Assault) • UA (Collar • Type FJ) • UTIL (HP)
Other
Fractures Spartan armor

Yoroi (Azechi • Chonmage • Hakushika • Hikeshi • Ikari • Jingasa • Kabuto • Kawari • Kendo • Otomosho • Yokai)
Eaglestrike (Boggart • Brodie • Eaglestrike • Kerberos • Leadbelcher • M199X • Sky Marshal)

Chimera (Abatur • Chimera • Deltajock • Flenser • Fomorian • Geist • Grendel • Grimghast • Merrow • Mimir • Peaceweaver • Strigoi • Thresher • Wendigo)
For a complete list, check out our armor category.

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List of armor permutations by generation

v • d • e
 
MJOLNIR Powered Assault Armor
Mainline armor generations
Mark I • Mark II • Mark III • GEN1 (Mark IV • Mark V • Black • Mark VI • Mark VII) • GEN2 • GEN3
Armor components
Competing and related projects
ARTAIUS • Buccaneer • COBALT • HAYABUSA • HRUNTING • MELAENO • Mirage • OSTEO • Rakshasa • Shinobi • SPI • YGGDRASIL
Armor permutations (by generation)
Supplemental equipment
v • d • e
 
GEN1
Marks
Variants
Air Assault • AKIS • Ardent • Argus • B • Centurion • COBALT • Commando • CQB • CQC • Emil • EOD • EVA • Grenadier • GUNGNIR • HAYABUSA • HAZOP • Hoplite • Isidor • JFO • Mariner • Military Police • Mirage • MJOLNIR/Black • Paladin • ODST • Operator • Orbital • Pilot • Raider • Ranger • Recon • Rogue • Scout • Security • Strider • Theodor • Tracker • Ulrich • Valiant • Venator • Wilhelm • Ypsilon • Zacharias • Ärger • Ökonom
v • d • e
 
GEN2
Mark variants
Mark IV (GEN2) • Mark V (GEN2 • Alpha • Delta) • Mark VI (GEN1 • GEN2 • MOD) • Mark VII (GEN2)
Variants originating from GEN1
Air Assault • Argus • Commando • Centurion • EOD • EVA • GUNGNIR • HAZOP • ODST • Operator • Orbital • Raider • Ranger • Recon • Rogue • Scout • Security • Strider • Venator
Variants based on GEN1
New variants
Achilles • Anubis • Argonaut • Athlon • Atlas • Aviator • Barvo • Breaker • Challenger • Cinder • CIO • Copperhead • Cyclops • Cypher • Deadeye • Decimator • Defender • Dynast • Enforcer • Engineer • Fenrir • Foehammer • FOTUS • Freebooter • Goblin • Helioskrill • Hellcat • Helljumper • Hermes • Hunter • Icarus • Infiltrator • Interceptor • Jumpmaster • KEYSTONE • Legionnaire • Locus • Mako • Marauder • Maverick • Mirmillion • Nightfall • Nomad • Oceanic • Oppressor • Pathfinder • Pioneer • Prefect • Protector • Raijin • Reaper • Recluse • Recruit • Ricochet • Scanner • Seeker • Soldier • Stalker • Stinger • Teishin • Technician • Tracer • Tracker • Valkyrie • Vanguard • Vector • Venture • Viper • Void Dancer • Warrior • War Master • Wetwork
Forearms/Legs
Other
v • d • e
 
GEN3
Mark variants
Mark V (Zeta) • Mark VI (GEN3) • Mark VII (GEN3)
Variants based on GEN1
Variants based on GEN2
New variants
For a complete list, check out our MJOLNIR armor category.
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