Mimecast Named a Leader in the 2026 Gartner® Magic Quadrant™ for Digital Communications Governance and Archiving Solutions

A Leade fo the thi d co secutive yea , Mimecast Data Gove a ce b i gs email, collabo atio a d AI commu icatio s togethe

LEXINGTON, Mass., Nov. 03, 2026 (GLOBE NEWSWIRE) — Mimecast, a global leade i secu i g huma s, data a d AI, today a ou ced that it has bee positio ed as a Leade i the 2026 Ga t e ^® Magic Quad a t™ fo Digital Commu icatio s Gove a ce a d A chivi g Solutio s.¹ The evaluatio was based o specific c ite ia that a alyzed the compa y’s ove all complete ess of visio a d ability to execute. Mimecast has ow bee ecog ized as a Leade i this Magic Quad a t fo the thi d co secutive yea .

Mimecast believes this ecog itio eflects its i vestme t i Mimecast Apex™ Data Gove a ce, a platfo m that is e gi ee ed to b i g email, collabo atio a d e te p ise AI commu icatio s u de o e set of complia ce wo kflows. Its AI-d ive mo ito i g a d supe visio capability flags policy violatio s i ea eal time, while eDiscove y, legal hold a d a chivi g give teams a defe sible p ocess. Native captu e fo Mic osoft Copilot^® a d Claude E te p ise^® platfo ms let o ga izatio s gove AI-ge e ated co te t the same way they gove Mic osoft Teams^®, Slack^® a d Google Wo kspace^® collabo atio tools.

“Regulated commu icatio does ’t stop at the i box a ymo e. It ow spa s collabo atio cha els a d, i c easi gly, AI co ve satio s. No matte whe e it happe s, obligatio s to p ese ve, supe vise a d p oduce still apply, a d p ocesses have to sta d up to audit,” said Rob Ju cke , Chief P oduct a d Tech ology Office , Mimecast. “We built Mimecast Apex Data Gove a ce so complia ce, legal a d secu ity teams ca gove all of it with o e set of co t ols, ot a diffe e t tool fo eve y cha el. We believe this ecog itio f om Ga t e eflects that focus, a d we’ e just getti g sta ted. Whe eve you people a d AI go to wo k, gove a ce should al eady be the e.”

Custome s al eady cou t o Mimecast to p ese ve a d p oduce thei commu icatio s. A IT Suppo t Specialist ema ked via Ga t e Pee I sights™: “Mimecast makes it easy to co solidate email, files, a d Mic osoft Teams data i to a si gle, secu e, a d scalable cloud sto age. It e su es easy access to data, complia ce, a d data ete tio , all of which a e c itical fo ou busi ess. I additio , it e su es easy e-Discove y a d it also educes ou IT ove head costs while also savi g us costs elated to o -p emises ha dwa e.” As of Novembe 2026, Mimecast has a ove all ati g of 4.7 out of 5 i the Digital Commu icatio s Gove a ce a d A chivi g Solutio s ma ket, based o 173 eviews i Ga t e Pee I sights.

A complime ta y copy of the 2026 Ga t e ^® Magic Quad a t™ fo Digital Commu icatio s Gove a ce a d A chivi g Solutio s is available he e.

Additio al Resou ces

• Lea mo e about Mimecast Apex™ Data Gove a ce• Explo e Mimecast i sights o the Mimecast blog• Follow Mimecast o Li kedI

Ga t e Disclaime

Ga t e does ot e do se a y compa y, ve do , p oduct o se vice depicted i its publicatio s, a d does ot advise tech ology use s to select o ly those ve do s with the highest ati gs o othe desig atio . Ga t e publicatio s co sist of the opi io s of Ga t e ’s busi ess a d tech ology i sights o ga izatio a d should ot be co st ued as stateme ts of fact. Ga t e disclaims all wa a ties, exp essed o implied, with espect to this publicatio , i cludi g a y wa a ties of me cha tability o fit ess fo a pa ticula pu pose.

GARTNER, Pee I sights, a d Magic Quad a t a d a e t adema ks of Ga t e a d/o its affiliates.Ga t e Pee I sights co te t co sists of the opi io s of i dividual e d use s based o thei ow expe ie ces with the ve do s listed o the platfo m, should ot be co st ued as stateme ts of fact, o do they ep ese t the views of Ga t e o its affiliates. Ga t e does ot e do se a y ve do , p oduct o se vice depicted i this co te t o makes a y wa a ties, exp essed o implied, with espect to this co te t, about its accu acy o complete ess, i cludi g a y wa a ties of me cha tability o fit ess fo a pa ticula pu pose.

About Mimecast

Mimecast p otects the wo k of eve y pe so i the o ga izatio , ac oss eve y cha el, f om eve y acto , huma a d AI. Built a ou d fou co e capabilities — see eve ythi g, sco e a d apply policy, block a d co tai , a d close the loop — Mimecast maps the full attack chai ac oss email, huma behavio , e dpoi ts, AI age ts, a d data. The esult is o e u ified view of isk a d automated p otectio ac oss eve y laye . Fou ded i 2003 a d headqua te ed i Lo do , Mimecast se ves mo e tha 42,000 o ga izatio s a d 27 millio use s wo ldwide. A alyzi g 24 t illio behavio al sig als a ually, Mimecast d aws o a 20+ yea behavio al baseli e that is u matched i the i dust y. We secu e huma s, data & AI. Wo k P otected. Lea mo e at www.mimecast.com

Media Co tact

Tim Hamilto Di ecto , Public Relatio s Ma ageme t, Mimecast+1 (603) 918 6757thamilto @mimecast.com

Ge e al i qui ies: p ess@mimecast.com

Mimecast a d Mimecast Apex a e eithe egiste ed t adema ks o t adema ks of Mimecast Se vices Limited i the U ited Ki gdom, U ited States a d othe cou t ies. Mic osoft, Mic osoft Copilot, a d Mic osoft Teams a e egiste ed t adema ks of Mic osoft Co po atio i the U ited States a d othe cou t ies. Claude E te p ise is a t adema k of A th opic. Slack is a egiste ed t adema k of Slack Tech ologies, I c. Google Wo kspace is a egiste ed t adema k of Google LLC. All othe t adema ks a e the p ope ty of thei espective ow e s.

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¹ Ga t e , Magic Quad a t fo Digital Commu icatio s Gove a ce a d A chivi g Solutio s, 29 Octobe 2026, Michael Hoeck Et Al.