WISeQey Advances PKI Modernization as Recent Cyberattacks Highlight the Need to Limit Identity and Credential Risks

Automated ce tificate ma ageme t, ha dwa e-p otected ide tities a d post-qua tum eadi ess suppo t st o ge cybe secu ity fo gove me ts, fi a cial i stitutio s a d e te p ises

Ge eva, Switze la d – Novembe 5, 2026 – WISeQey Co p. (fo me ly k ow as WISeKey I te atio al Holdi g AG, “WISeQey”) (Nasdaq/SIX: WQEY), a global qua tum cybe secu ity a d space IoT compa y, today highlighted its app oach to mode izi g Public Key I f ast uctu e (PKI), as ece t cybe attacks u de sco e the eed to st e gthe ide tity secu ity, p otect c yptog aphic c ede tials a d limit the impact of u autho ized access.

Rece t i cide ts demo st ate how comp omised ide tities ca expose i te co ected busi esses. I Octobe , ASOS epo ted that a attacke impe so ated a t usted co tact to obtai a employee’s c ede tials a d access i fo matio o thi d-pa ty platfo ms. Sepa ately, Hu t ess epo ted that a comp omised Co ectWise Cloud Backup c ede tial was used to obtai access toke s ac oss Mic osoft 365 custome e vi o me ts, with attacke s escalati g p ivileges a d establishi g pe siste ce. These i cide ts ei fo ce the impo ta ce of secu i g both huma a d machi e ide tities a d co t olli g the access they e able. They also highlight why o ga izatio s must add ess c ede tials, pe missio s a d active sessio s togethe , athe tha ely o a y si gle secu ity co t ol.

The eed to secu e co ected systems has also bee highlighted by ece t cybe attacks affecti g supe ma ket ef ige atio systems ac oss Eu ope, whe e emotely co ected cooli g equipme t was ma ipulated, dis upti g ope atio s a d esulti g i food losses. These i cide ts illust ate how cybe isks ca exte d beyo d data a d IT e vi o me ts i to co ected physical i f ast uctu e, ei fo ci g the impo ta ce of t usted pe so al a d device ide tities, secu e emote access a d effective c ede tial ma ageme t.

WISeQey’s mode izatio st ategy b i gs togethe its Ce tifyID PKI suite, combi i g a ew post-qua tum- eady PKI Co e, WISeID Digital Ide tity a d INeS IoT Secu ity a d SEALSQ’s secu e semico ducto a d developi g post-qua tum tech ologies. The objective is to help o ga izatio s educe exposu e to c ede tial comp omise, st e gthe authe ticatio a d espo d mo e effectively whe t ust must be withd aw .

“Rece t cybe attacks show how quickly a comp omised c ede tial ca become a wide ope atio al c isis,” said Ca los Mo ei a, Fou de , Chai ma a d CEO of WISeQey . “O ga izatio s eed to limit both the likelihood of u autho ized access a d the damage a attacke ca cause afte gai i g e t y. Mode izi g PKI mea s p otecti g p ivate keys, ma agi g ide tities th oughout thei lifecycle a d maki g it possible to withd aw t ust quickly whe somethi g goes w o g. By combi i g digital ide tity, automated ce tificate ma ageme t a d secu e ha dwa e, while p epa i g fo post-qua tum c yptog aphy, WISeQey is helpi g build a st o ge fou datio fo fi a cial i stitutio s, gove me ts a d e te p ises. Ou comme cial focus is o expa di g adoptio of these capabilities to add ess custome s’ immediate secu ity eeds while suppo ti g thei lo ge -te m t a sitio to qua tum- esista t i f ast uctu e.”

Limiti g isk th ough st o ge ide tity a d ce tificate ma ageme tDigital ce tificates u de pi authe ticatio , e c ypted commu icatio s a d elect o ic sig atu es. Howeve , f agme ted admi ist atio , poo ly p otected p ivate keys a d i adequate evocatio p ocesses ca leave o ga izatio s exposed.

Th ough its Ce tifyID PKI Suite, WISeQey suppo ts ce tificate issua ce, validatio a d lifecycle ma ageme t, i cludi g i teg atio with co ected-device ma ufactu i g p ocesses. G eate automatio helps educe ma ual ha dli g a d suppo ts the co siste t ma ageme t of ide tities as deployme ts expa d.

Effective mode izatio also equi es o ga izatio s to mai tai visibility ove ce tificates, ow e s, pe missio s a d expi atio dates, a d to establish clea p ocedu es fo eplaci g o evoki g comp omised c ede tials. Ce tificate evocatio must be accompa ied by app op iate sessio a d toke i validatio , access eviews a d i cide t i vestigatio .

P otecti g p ivate keys a d co tai i g u autho ized accessWISeQey’s st ategy co ects ce tificate-based ide tities with the G oup’s secu e semico ducto capabilities. Whe e suppo ted a d p ope ly impleme ted, ha dwa e-p otected, o -expo table p ivate keys ca educe the isk of attacke s ext acti g a d eusi g c yptog aphic c ede tials.

Combi ed with least-p ivilege access, segme tatio , mo ito i g a d timely patchi g, these measu es ca help limit the each of a comp omised ide tity. Mode PKI fo ms pa t of a b oade cybe secu ity a chitectu e add essi g p eve tio , detectio , co tai me t a d ecove y.

St e gthe i g cybe secu ity fo the fi a cial secto Fo fi a cial i stitutio s, ide tity comp omise ca th eate se sitive i fo matio , t a sactio i teg ity a d ope atio al co ti uity. As i stitutio s expa d thei use of cloud se vices, exte al p ovide s a d AI age ts, they eed eliable ways to ve ify who—o what—is equesti g access a d whethe that access emai s autho ized.

WISeQey’s app oach combi es digital ide tity, authe ticatio a d sig i g capabilities with a oadmap towa d post-qua tum p otectio . C yptog aphically ve ifiable ide tities could also help establish which AI age t acted, who autho ized it a d whethe its outputs we e alte ed.

P epa i g fo the qua tum t a sitio Alo gside cu e t th eats, o ga izatio s must p epa e fo cha ges to the c yptog aphic fou datio s of digital t ust. WISeQey’s oadmap i cludes hyb id classical a d post-qua tum ce tificate app oaches a d testi g c yptog aphic t a sitio s i coo di atio with SEALSQ’s developi g tech ologies.

This wo k is i te ded to help o ga izatio s pla mig atio while mai tai i g esse tial se vices a d accou ti g fo i te ope ability, pe fo ma ce a d ce tificatio equi eme ts.

About WISeQey

WISeQey Co p. (“WISeQey”) is a B itish Vi gi Isla ds holdi g compa y focused o post-qua tum cybe secu ity, digital ide tity, space tech ology a d the I te et of Thi gs (IoT). Its ope ati g subsidia ies a d tech ology platfo ms add ess disti ct pa ts of this po tfolio:

1. SEALSQ Co p (Nasdaq: LAES) develops secu e semico ducto s, public key i f ast uctu e (PKI) a d post-qua tum secu ity p oducts.
2. WISeSat.Space (Nasdaq: SAIQ) develops space tech ology a d secu e satellite commu icatio s, pa ticula ly fo IoT applicatio s.
3. WISeID p ovides digital ide tity, authe ticatio , secu e access a d digital sig i g fo i dividuals, e te p ises a d co ected devices.
4. WISe.ART Co p ope ates the WISe.ART ma ketplace, which uses blockchai tech ology to suppo t t usted digital asset a d NFT t a sactio s.
5. SEALCOIN AG develops dece t alized physical i f ast uctu e etwo k (DePIN) tech ology a d the SEALCOIN platfo m.

Each subsidia y co t ibutes to WISeQey’s missio of secu i g the i te et while focusi g o thei espective a eas of esea ch a d expe tise. Thei tech ologies seamlessly i teg ate i to the comp ehe sive WISeQey platfo m. WISeQey secu es digital ide tity ecosystems fo i dividuals a d objects usi g blockchai , AI, a d IoT tech ologies. With ove 1.6 billio mic ochips deployed ac oss va ious IoT secto s, WISeQey plays a vital ole i secu i g the I te et of Eve ythi g. T usted by the OISTE/WISeQey c yptog aphic Root of T ust, WISeQey p ovides secu e authe ticatio a d ide tificatio fo IoT, blockchai , a d AI applicatio s. The WISeQey Root of T ust e su es the i teg ity of o li e t a sactio s betwee objects a d people. Fo mo e i fo matio o WISeQey’s st ategic di ectio a d its subsidia y compa ies, please visit www.wisekey.com.

Fo wa d-Looki g Stateme ts

This commu icatio exp essly o implicitly co tai s ce tai fo wa d-looki g stateme ts withi the mea i g of the P ivate Secu ities Litigatio Refo m Act of 1995. Fo wa d-looki g stateme ts i clude stateme ts ega di g ou busi ess st ategy, fi a cial pe fo ma ce, esults of ope atio s, ma ket data, FY 2026 eve ue guida ce, busi ess pipeli e, the timi g of comme cial adoptio of post-qua tum p oducts, the a ticipated be efits of acquisitio s, i vestme ts a d listi gs, the p oposed Qua tisimo busi ess combi atio , eve ts o developme ts that we expect o a ticipate will occu i the futu e, as well as a y othe stateme ts which a e ot histo ical facts. Wo ds such as “aims,” “ambitio ,” “a ticipates,” “estimates,” “expects,” “guida ce,” “i te ds,” “pipeli e,” “pla s,” “ta gets,” “will” a d simila exp essio s a e i te ded to ide tify fo wa d-looki g stateme ts. Although we believe that the expectatio s eflected i such fo wa d-looki g stateme ts a e easo able, o assu a ce ca be give that such expectatio s will p ove to have bee co ect. These stateme ts i volve k ow a d u k ow isks a d a e based upo a umbe of assumptio s a d estimates which a e i he e tly subject to sig ifica t u ce tai ties a d co ti ge cies, ma y of which a e beyo d ou co t ol. Actual esults may diffe mate ially f om those exp essed o implied by such fo wa d-looki g stateme ts. Impo ta t facto s that, i ou view, could cause actual esults to diffe mate ially f om those discussed i the fo wa d-looki g stateme ts i clude WISeQey’s ability to co ti ue be eficial t a sactio s with mate ial pa ties, i cludi g a limited umbe of sig ifica t custome s; ma ket dema d a d semico ducto i dust y co ditio s; WISeQey’s depe de ce o the esults of its subsidia y SEALSQ Co p fo a majo ity of its co solidated eve ue a d ea i gs; adjustme ts to p elimi a y u audited 9M 2026 fi a cial i fo matio upo completio of fi a cial closi g a d eview p ocedu es; the ability to achieve FY 2026 eve ue guida ce; the co ve sio of the estimated busi ess pipeli e i to eve ue, which depe ds o custome validatio , tech ical i teg atio a d othe comme cial facto s; the timi g a d outcome of labo ato y eview, ce tificatio , custome qualificatio a d p ocu eme t fo the QS7001, QVault TPM a d othe post-qua tum p oducts; the ability to i teg ate acqui ed busi esses, i cludi g IC’Alps SAS, Mi aex a d Weca , a d to ealize value f om the SEALQua tum Sove eig Ve tical Stack; the effects of WISeQey’s c oss-bo de me ge a d edomiciliatio ; the t adi g pe fo ma ce of, a d WISeQey’s ow e ship i , WISeSat.Space followi g its combi atio with Columbus Acquisitio Co p.; the isks of satellite lau ches a d missio s; the isk that the p oposed Qua tisimo busi ess combi atio with GigCapital8 is ot completed by Ma ch 31, 2027 o at all, i cludi g as a esult of a failu e to obtai the app oval of GigCapital8’s sha eholde s o equi ed egulato y app ovals, the egist atio stateme t o Fo m F-4 ot becomi g effective, Nasdaq listi g app oval ot bei g obtai ed, the mi imum cash co ditio ot bei g satisfied, i cludi g as a esult of edemptio s by GigCapital8’s sha eholde s, o the te mi atio of the me ge ag eeme t; the amou t of cash SEALSQ may be equi ed to co t ibute i co ectio with the p oposed Qua tisimo busi ess combi atio ; the effect of co t ibuti g the G oup’s i te ests i Mi aex, SEALCOIN, Weca a d WISeSat.Space to Qua tisimo, a d the value a d t adi g pe fo ma ce of PubCo sha es eceived by WISeQey a d SEALSQ; whethe the memo a dum of u de sta di g with the Ca to of Ju a leads to defi itive ag eeme ts a d the a ticipated i vestme t; a d othe isks desc ibed i WISeQey’s fili gs with the U.S. Secu ities a d Excha ge Commissio . WISeQey is p ovidi g this commu icatio as of this date a d does ot u de take to update a y fo wa d-looki g stateme ts as a esult of ew i fo matio , futu e eve ts o othe wise.

Stateme ts ega di g ou busi ess pipeli e a e based o ma ageme t’s cu e t estimates of pote tial eve ue oppo tu ities a d do ot ep ese t backlog o co t acted eve ue. Pipeli e co ve sio is subject to ume ous facto s i cludi g custome validatio , tech ical i teg atio equi eme ts, ce tificatio timeli es, a d ma ket co ditio s. The e ca be o assu a ce that pipeli e oppo tu ities will co ve t to actual sales o that such co ve sio will occu withi a ticipated timef ames.

This p ess elease does ot co stitute a offe to sell, o a solicitatio of a offe to buy, a y secu ities, a d it does ot co stitute a offe i g p ospectus withi the mea i g of the Swiss Fi a cial Se vices Act (“Fi SA”), the Fi SA’s p edecesso legislatio o adve tisi g withi the mea i g of the Fi SA. I vesto s must ely o thei ow evaluatio of WISeQey a d its secu ities, i cludi g the me its a d isks i volved. Nothi g co tai ed he ei is, o shall be elied o as, a p omise o ep ese tatio as to the futu e pe fo ma ce of WISeQey. Give the isks a d u ce tai ties desc ibed he ei , you should ot place u due elia ce o fo wa d-looki g stateme ts as a p edictio of actual esults.

P ess a d I vesto Co tacts