Categories
Backup and Sync
Docs
SMS
Phone Calls
Email
Hardware
Software
Apple iCloud
Backblaze
Box
Carbonite
CloudApp
CrashPlan
Datto
Degoo
DooDrive
Dropbox
Evernote
Filen
Files.com
Google Drive- SMS
- Phone Calls
- TOTP
- WebAuthn / U2F Token
- Custom Software: Google Prompts, Google Smart Lock
HiDrive (STRATO)
Icedrive
IDrive
Jottacloud
Koofr
Mega
MultCloud
myPrimobox- TOTP
N-able
NordLocker
OneDrive
Onehub
PCloud
Proton
QNAP
Rewind
SmartVault
Standard Notes
SugarSync
Sync
Synology
Tresorit
UpdraftPlus
Wasabi
WeTransfer
Yandex.Disk
ZoolzBanking
Docs
SMS
Phone Calls
Email
Hardware
Software
Alliant Credit Union
Ally Bank
Altra Federal Credit Union- SMS
America First Credit Union
American Express Savings
Ameriprise Financial
Andrews Federal Credit Union
Aspiration- SMS
Axos- SMS
Bank of America
Barclays US
Bethpage Federal Credit Union- SMS
Black Hills Federal Credit Union
BMO Harris Bank- SMS
- Phone Calls
Boeing Employee Credit Union
Capital One
Charles Schwab
Chase
Chime
Citibank
Citizens Bank
CommunityAmerica
Credit Suisse
Desert Financial Credit Union
Desjardins
Digital Federal Credit Union
Discover
Fairwinds
Fifth Third Bank
First Community Credit Union
First Horizon
First Republic Bank
First Tech Federal Credit Union- SMS
- Phone Calls
- Custom Hardware: Entrust Hardware Token
- Custom Software: Entrust Identity Guard
FirstBank
HSBC US
Huntington National Bank
IberiaBank
Jovia Financial
KeyBank
Lake Michigan Credit Union
LendingClub Bank
LGE Community Credit Union
M&T Bank
Marcus by Goldman Sachs- SMS
Mercury
Monzo
Morgan Stanley
Mountain America Credit Union- SMS
- TOTP
NASA Federal Credit Union
Navy Federal Credit Union
Northeast Credit Union
Optum Bank
Partners Federal Credit Union
Patelco Credit Union
PenFed
Pleo
PNC Bank
RBC Royal Bank
Regions Bank
Revolut
SAFE Credit Union
San Diego County Credit Union
San Francisco Fire Credit Union
SchoolsFirst FCU
Service Credit Union
SoFi
Star One Credit Union- SMS
- Phone Calls
State Department Federal Credit Union
State Employees Credit Union
State Employees Federal Credit Union
State Farm
Synchrony Bank
TD Bank
TIAA Bank
Tower Federal Credit Union
Truist
Umpqua Bank
Unify Financial Credit Union
Union Bank
Union Bank & Trust
US Bank- SMS
USAA
UW Credit Union
VyStar Credit Union
Wells Fargo
Wescom Credit Union
Woodforest National BankBetting
Docs
SMS
Phone Calls
Email
Hardware
Software
Betfair
Betvictor- SMS
- TOTP
Cloudbet
DraftKings
FanDuel
Parimatch
Smarkets
Winamax
Wolf.betCloud Computing
Docs
SMS
Phone Calls
Email
Hardware
Software
Aiven
Amazon Web Services- TOTP
- WebAuthn / U2F Token
- Custom Hardware: SafeNet IDProve 110 6-digit OTP Token, SafeNet IDProve 700 OTP Card
Aruba Cloud
Cloud 66
cloudHQ
DigitalOcean
Elastic Cloud
Engine Yard
Equinix Metal
Flexera
fortrabbit
Google Cloud Platform- SMS
- Phone Calls
- TOTP
- WebAuthn / U2F Token
- Custom Software: Google Prompts, Google Smart Lock
HashiCorp Cloud Platform
Heroku- TOTP
- WebAuthn / U2F Token
- Custom Hardware: Built-in Authenticator (Biometrics)
- Custom Software: Salesforce Authenticator
Hetzner
Hostiso- TOTP
Huawei Cloud
IBM Cloud
Joyent
Laravel Forge
Leaseweb
Linode
MacStadium
Microsoft Azure
OpenShift
Oracle Cloud Infrastructure- SMS
- Phone Calls
- TOTP
- WebAuthn / U2F Token
- Custom Software: Duo, Oracle Mobile Authenticator
Poli Systems
Redis Enterprise Cloud
Render- TOTP
ScaleGrid
Scaleway
Scalr
Serverspace
Tilaa
VMware
Vultr
WolframCommunication
Docs
SMS
Phone Calls
Email
Hardware
Software
15Five
Basecamp
Bitrix24
Bonusly
Calendly
Capsule
Carbon Black Community Exchange
Chatwork
Close
Cloze
Coda
Discord
Disqus
Doodle
Element
Favro
FAX.PLUS
Firmex VDR
Fleep
Flowdock
Front App
Google Chat
Google Meet
GoSquared
GoTo
GroupMe
Groups.io
Guilded
Intercom
IRCCloud
Kik
Kintone
LINE
Loom
Mailgun
Mattermost
MessageBird- SMS
Missive App
MURAL
Notejoy
Notion
Nulab
OnceHub
Pipedrive
QuestionPro
Remind
RingCentral
Ryver
Salesforce
Segment
SendGrid
Sendloop
SendSafely
Signal
Skype
Slack
SmartSurvey
SocketLabs
Sogolytics
Stackfield
TeamSpeak
Telegram
Tellonym
TextMagic
Viber
WhatsApp
Wire
WoltLab- TOTP
- WebAuthn / U2F Token
Workplace
Xink
Yammer
Zoho
ZoomCreativity
Docs
SMS
Phone Calls
Email
Hardware
Software
Adobe ID
Autodesk
Canva
CD Baby
DeviantArt
Epidemic Sound
Figma
Flaticon
Frame
FXhome
Miro
Moqups
Pixieset
Pixiv
Sketch
Spotify for Artists
Storyblocks
TechSmith
TuneCore
UnsplashCrowdfunding
Docs
SMS
Phone Calls
Email
Hardware
Software
Buy Me a Coffee
Crowd Supply- TOTP
- WebAuthn / U2F Token
GoFundMe
Indiegogo
JustGiving
Kickstarter
Ko-fi
Open Collective
Patreon
Pozible
Republic
Ulule
WefunderCryptocurrencies
Docs
SMS
Phone Calls
Email
Hardware
Software
3Commas
AltCoinTrader
Alterdice- TOTP
Anycoin Direct
Bibox
Binance
Bitbns
Bitfinex
Bitflyer
BitForex
BitGo
BitMEX
Bitpanda
Bitpay
Bitski
Bitso
Bitstamp
Bittrex
BKEX
Blockchain.com
BlockFi
BnkToTheFuture
BTCPOP
Bybit
CEX.IO
Changelly
Circle
Coinbase
CoinDeal
CoinFalcon
CoinField
CoinGate
Coinify
Coinigy
Coinjar
CoinLoan
CoinMarketCap
CoinPayU- TOTP
CoinRemitter- TOTP
Coins.ph
CoinSmart
CoinTiger
CoinTracker
CoinTracking
Cointraffic- TOTP
Crypto
Cryptonator
Exmo
Faucet Crypto- TOTP
FaucetPay
Freewallet
Gate.io
Gatehub
Gemini
HitBTC
Huobi
Invictus Capital
KickEX
Kraken
Kriptomat
Kuna
LATOKEN
Liquid
LiteBit
LocalBitcoins
LocalMonero
Luno
Mercury Cash
Namebase
NiceHash
Paxful
Paxos
PayKassa
Phemex
Poloniex
ProBit
Prostocash- TOTP
Quidax
Remitano
River Financial
SatoshiTango
Shrimpy
SouthXchange- TOTP
SpectroCoin
STEX
StormGain
TaxBit
Txbit
Unstoppable Domains
Uphold
Valr
ViaBTC
Voyager
WazirX
WhaleFin
Wirex
Wyre
Xapo
YouHodler
ZondaDeveloper
Docs
SMS
Phone Calls
Email
Hardware
Software
123 Form Builder
ActiveState
Aha!
Airbrake
Algolia
AppSignal
AppVeyor
Arduino
Assembla
Atlassian Cloud
Autocode
Back4App
Balsamiq
Batch
BitBar
Bitbucket
Bitnami
Bitrise
Buddy
Bugsnag
Buildkite
BuiltWith
Cacoo
Caspio
Chocolatey
CloudAMQP
CloudBees
Cloudflare
Cloudinary- TOTP
CM
Code Climate
Codeanywhere
Codebase
Codeberg
CodePen
Compose
Contentstack
Cookiebot
Crowdin
DataRobot
DeepL
Deploybot
DeployHQ
DMOJ
Docker
Domino Data Lab
Doppler
Drupal.org
Educative
elmah.io
Envoyer
Esri
Fauna
Flourish
FogBugz
Formsite
Formspree
GitHub
GitLab
HashiCorp Terraform Enterprise
HashiCorp Vagrant Cloud
Hevo Data
Honeybadger
Hotjar
imgix
Infobip
InVision
IT Glue
JetBrains
Laravel Vapor- TOTP
LaunchDarkly
Launchpad
Localize
LogicMonitor
Lokalise
Looker
Make
Mapbox
MongoDB
MxToolbox
New Relic
ngrok
npm
NuGet
Packagist
Pagerduty
Panic Sync
Phrase
Pipedream
Pivotal Tracker
Plivo
POEditor
Postman
ProfitWell
Pusher
Pushover
PyPI
PythonAnywhere
RapidAPI
Raygun
Read the Docs
ReadMe
Replit
Report URI
RevenueCat
Rollbar
RubyGems.org
Rumble Network Discovery
Sauce Labs
Scripting Helpers
Semaphore
Sentry
Sinch
SolarWinds
SourceForge
Status.io
StatusCake
Statuspage
Sumo Logic
Supabase
Taiga.io
Teleport
Telnyx
Twilio
Unbounce
Unfuddle STACK
Unity
Uptime Robot
Veracode
Visual Studio Codespaces
Vonage- SMS
- Phone Calls
ZapierDomains
Docs
SMS
Phone Calls
Email
Hardware
Software
101domain
123 Reg
20i
A2 Hosting
Above.com- TOTP
- WebAuthn / U2F Token
- Custom Hardware: SafeNet IDProve 110 6-digit OTP Token, SafeNet IDProve 700 OTP Card
ClouDNS
Constellix
Crazy Domains
Directnic
DNS Made Easy
DNSimple
Domain.com
domainFACTORY
DomainTools
Domeneshop
Dyn
Dynadot
Dynu
easyDNS
eNom
Epik
EuroDNS
Fabulous
Fasthosts
FreeDNS
Gandi
GoDaddy
Google Domains- SMS
- Phone Calls
- TOTP
- WebAuthn / U2F Token
- Custom Software: Google Prompts, Google Smart Lock
Heart Internet
Hexonet
Hover.com
Hurricane Electric
Imperva
Internet.bs
INWX
IONOS
iWantMyName
Joker.com
MarkMonitor
Moniker
MyDomain
Name.com
Namecheap
Namesco
NameSilo.com
Netfirms
Netim
Network Solutions
No-IP
Nominet
NS1
OnlyDomains
OpenDNS
Openprovider
OpenSRS
OVH
pair Domains
Park.io
Porkbun
Rebel.com
Rebrandly
Register365
Register4Less
STRATO
Synergy Wholesale
ud.com
Uniregistry
Verio
WhoisEducation
Docs
SMS
Phone Calls
Email
Hardware
Software
(ISC)2- SMS
- TOTP
Academic Earth
Babbel
Brilliant
CBT Nuggets
Chegg
Citationsy
Clever
Codecademy
CodeSignal
College Board
CompTIA
Coursera- TOTP
desmos
Duolingo
EC-Council
Eduonix
edX
Global Information Assurance Certification (GIAC)
Hack The Box
HackerRank
ISACA
itslearning
Kahoot!
Kerboodle
Khan Academy
Knowt
LeetCode
Linux Professional Institute (LPI)
Masterclass
Mendeley
My Study Life
Open Science Framework (OSF)
Pluralsight
Quizlet
RedShelf
Seneca Learning
TryHackMe- TOTP
Udacity
Udemy
zyBooksEmail
Docs
SMS
Phone Calls
Email
Hardware
Software
AnonAddy
Aol Mail
Fastmail
Freenet
Gmail
GMX.com
HEY
Hushmail
ImprovMX
Kerio Connect
Mail.com
mail.de
mailbox.org
Mailfence
Mailo
Migadu- TOTP
Mimecast
Outlook.com
Pobox
Posteo
Riseup Mail
Runbox
SimpleLogin- TOTP
- WebAuthn / U2F Token
StartMail
Tutanota
Yahoo Mail
Yandex.Mail
ZimbraEntertainment
Docs
SMS
Phone Calls
Email
Hardware
Software
Bandcamp
Caffeine
Cinemark
Crunchyroll
CuriosityStream
Deezer
Discogs
Discovery Plus
Disney+
Floatplane- TOTP
Formula 1
fuboTV
Google Play
HBO Max
Hotstar
Hulu
IMDb
Last.fm
Letterboxd
MyAnimeList
Nebula
Netflix
Niconico
Pandora
Peacock
Picarto.TV
Plex
Qobuz
Roku
Sling TV
SoundCloud
TIDAL
TiVo
Trovo- SMS
- TOTP
Twitch
Viaplay
Vimeo
Vudu
Wattpad
WWE Network
YouTubeFinance
Docs
SMS
Phone Calls
Email
Hardware
Software
ADP
Aetna
AltoIRA- TOTP
- SMS
Bankrate
Bill
Brex
Carta
Concur
Credit Karma (US)
Deel
Dext Prepare
Envestnet MoneyGuide
Equifax
Exact Online
Expensify
FreeAgent
FreeTaxUSA
FreshBooks
Funding Circle
Geico
Gerber Life Insurance
Guideline
Gusto
H&R Block- SMS
- TOTP
Holded
Intuit
Intuit TurboTax
Invoice2go
Invoiced
Justworks
Kiva
LevelUp
M1 Finance
Metorik
Mint
NerdWallet
Nexonia
Northwestern Mutual
Paychex- SMS
- Phone Calls
Paycor
Pocketsmith
Popmoney
Principal
Progressive
Quickbooks Online
Quicken
Ramp
RightCapital
Rippling- TOTP
Rocket Mortgage
Shareworks- TOTP
Shoeboxed
Taxact
TaxDome
Toshl
TransUnion
Treasury Direct
TruStage
Veem
Wave
Wise
Xero
You Need A Budget (YNAB)Food
Docs
SMS
Phone Calls
Email
Hardware
Software
DoorDash
Dutch Bros
Grubhub
Postmates
Seamless
Starbucks
Taco Bell
Uber Eats
ZomatoGaming
Docs
SMS
Phone Calls
Email
Hardware
Software
Activision
Ankama
Ashes of Creation
Aternos- TOTP
Bethesda
Black Desert
Blade & Soul
Blizzard/Battle.net
Bohemia Interactive
Call Of Duty
Capcom ID
CDKeys
Chess.com
DCS World
Elder Scrolls Online
Electronic Arts (Origin)
Eneba
Enjin
Epic Games
ESL- TOTP
- WebAuthn / U2F Token
EVE Online
FaceIT
Fanatical
Gaijin Entertainment
GameFly
GameMaker
Gamesplanet
Garena Online
GeForce (Nvidia)
GOG.com
GREE- TOTP
Green Man Gaming
Guild Wars 2
Hi-Rez Studios- SMS
Humble Bundle
Hypixel
IndieGala
IO Interactive
itch.io
Kinguin
Larian- SMS
- TOTP
lichess.org- TOTP
Minecraft
Mineplex
Nexon
Nexus Mods
Nintendo Account
Nintendo Network
Oculus
osu!
Paradox Interactive
Parsec
Playstation Network
PSNProfiles
Razer
RetroAchievements
Riot Games
Roberts Space Industries
Roblox
Rocket League Garage
Rockstar Games Social Club
RuneScape
Scryfall
Shadow
Skinport- TOTP
Speedrun.com
Square Enix- TOTP
- Custom Hardware: SQUARE ENIX Security Token
- Custom Software: SQUARE ENIX Software Token
Star Wars: The Old Republic
Stardock Corporation
Steam
SteelSeries
Technic
Tibia
Toontown Rewritten
Trion Worlds
Ubisoft/Uplay
VRChat
Warframe
Wargaming
Warner Bros. Games
Wizard101
Xbox LiveGovernment
Docs
SMS
Phone Calls
Email
Hardware
Software
Federal Student Aid
Healthcare.gov
login.gov
Pennsylvania Dept of Revenue myPATH
Thrift Savings Plan
US Citizenship and Immigration Services- SMS
- TOTP
US Internal Revenue Service
US Social Security Administration
US Veteran AffairsHealth
Docs
SMS
Phone Calls
Email
Hardware
Software
23andMe
Anthem- SMS
- Phone Calls
Atrium Health
Availity Essentials
Carilion Clinic
Cigna- SMS
Cliniko
Cronometer
CVS Caremark
DrChrono
Drugs.com
Elation Health
Fitbit
FollowMyHealth
Garmin
Google Fit
Headspace
Hint Health
Labcorp OnDemand- TOTP
LetsGetChecked
Misfit
MyChart
myfitnesspal
MyHeritage
Noridian Medicare
Practice Better
Runkeeper
RunSignUp
Runtastic
Strava
TherapyNotes
Thriva
Virgin Pulse
WebMD
Withings
ZocDocHosting/VPS
Docs
SMS
Phone Calls
Email
Hardware
Software
000webhost
34SP.com
Acquia
ALL-INKL.COM- TOTP
- WebAuthn / U2F Token
- Custom Hardware: SafeNet IDProve 110 6-digit OTP Token, SafeNet IDProve 700 OTP Card
Bluehost
Bubble
bunny.net- TOTP
Carrd
CDN77
CDNsun
Cloudways
Contabo
Dreamhost
eUKhost
FastComet
Fastly
Flywheel
Freehostia- TOTP
Globat
GreenGeeks
Greenhost
Hostek
Hostens
Hostinger
HostMonster
Hostpoint
HostUS
Hostwinds- TOTP
ICDSoft
Infomaniak
InMotion Hosting
InterServer
IO Zoom
iPage
justhost
Kinsta
KnownHost
Krystal
LCN.com
Liquid Web
Media Temple
Miss Hosting
NameHero
NearlyFreeSpeech.NET
Neolo
Netlify
Nexcess
Nitrado
One.com
PlanetHoster
Rackspace
RamNode- TOTP
RunCloud
section.io
Server.pro- TOTP
ServerPilot
SITE123- SMS
Site5
SiteGround
Softr
Squarespace
StackPath
Time4VPS
tsoHost
UpCloud
VeeroTech
Verpex- TOTP
VPS Server
Webflow
WEDOS
Weebly
Wix
World4You
WP EngineHotels and Accommodations
Docs
SMS
Phone Calls
Email
Hardware
Software
Airbnb
Booking.com- SMS
Couchsurfing
Hilton Honors
Hostelworld
IHG
Marriott
Melia Hotels
NH Hotels
Travala
Vrbo
Wyndham HotelsIdentity Management
Docs
SMS
Phone Calls
Email
Hardware
Software
1Password
7Pass
Auth0
Bitwarden- SMS
- Phone Calls
- TOTP
- WebAuthn / U2F Token
- Custom Hardware: Yubico OTP
- Custom Software: Duo
Dashlane
Delinea
ID.me
JumpCloud
Keeper
Keybase
LastPass- SMS
- TOTP
- WebAuthn / U2F Token
- Custom Hardware: Yubico OTP, Windows Fingerprint, Smart Card
- Custom Software: LastPass Authenticator, Duo, RSA SecurID, Symantec VIP, SecureAuth Authenticate
NordPass
Okta- SMS
- Phone Calls
- TOTP
- WebAuthn / U2F Token
- Custom Hardware: Yubico OTP
- Custom Software: Okta Verify
OneLogin
ORCID
Passpack
Passwarden
RoboForm
SAASPASS
SailPoint
SecureSafe
True KeyInvesting
Docs
SMS
Phone Calls
Email
Hardware
Software
Acorns
American Century Investments
APMEX- SMS
Betterment
Bourse Direct
Bullion Exchanges
BullionStar
BullionVault
Capital Group / American Funds
COL Financial
E*Trade
Edward Jones
Etana Custody
eToro
Fidelity Investments
Finary
HealthEquity
IG
Interactive Brokers
JM Bullion
John Hancock
Manulife
Merrill Edge
Mintos
Personal Capital
Plus500- SMS
- Phone Calls
Provident Metals
Prudential Financial
Robinhood
Saxo Bank
SigFig
Stash
Stessa
T. Rowe Price- SMS
- Phone Calls
Trading 212
TradingView
Vanguard
WealthfrontIoT
Docs
SMS
Phone Calls
Email
Hardware
Software
Abode
ADT Pulse
Arlo
Aruba Instant On
Balena
Canary
ecobee
eufySecurity
Google Nest- SMS
- Phone Calls
- TOTP
- WebAuthn / U2F Token
- Custom Software: Google Prompts, Google Smart Lock
Hive
Home Assistant
IFTTT
Netatmo
Noke
OnStar
Particle
Philips Hue- TOTP
Ring
Samsung SmartThings
Schneider Electric
SimpliSafe
Solar.web
Tesla
Total Connect Comfort
WyzeLegal
Docs
SMS
Phone Calls
Email
Hardware
Software
Actionstep
Clio
Cosmolex
Docusign
Dropbox Sign
Everlaw
Eversign
iubenda
PandaDoc
PracticePanther
SignRequest
Termly
TermsFeedMarketing & Analytics
Docs
SMS
Phone Calls
Email
Hardware
Software
Action Network
ActiveCampaign
Airship
Alchemer
Audiense
Awin
Baremetrics
Brandwatch
Braze
Campaign Monitor
Chartbeat
CleverTap- TOTP
Coinzilla- TOTP
ConvertKit
Cordial
Customer.io
Databox
Demio
Dotdigital
Drift- TOTP
EasySendy
Elastic Email
EmailMeForm
Emma Email Marketing
Fathom
Fathom Analytics
Freshworks
Frontify
Heap
HootSuite
HubSpot
Infinity
Iterable
Klaviyo
Listrak
Litmus
MailChimp
Maropost Marketing Cloud
Matomo Cloud
Meltwater
Mixpanel
Netcore Cloud Email API
OneSignal
Outbrain
Piwik PRO
Postmarkapp
PowerReviews
Promoter.io
Refersion
Rejoiner
Sailthru
Semrush
Sendinblue
Similarweb
Sisense Cloud Data Teams
Smartly.io
SparkPost
Survicate
Tableau
Taboola
Textlocal
TicketSource- TOTP
ToneDen
TypeformOther
Docs
SMS
Phone Calls
Email
Hardware
Software
2Checkout
Accelo
American Kennel Club
Ancestry
APNIC
ARIN
Automater
AwardWallet
BambooHR
Basic Attention Token
BigCommerce
Buildium
CharlieHR
Checkfront
Cisco- TOTP
Cisco Meraki
Clickworker
CloudConvert- TOTP
Commuter Benefits
Contentful
Credly
Current RMS
Delighted
Deliverr
Domain
Dreamstime
Egnyte
Envato
Extreme Networks
FANDOM
FanFiction.Net
Findmyshift
Firefox
Fiverr
FlightAware
Forem
Formstack
Freelancer
Grammarly
Gumtree
Hackster.io
HappyFox
Heise online
Help Scout
IBM Watson Media (Ustream)
IEEE
ImmobilienScout24
Immowelt
Indeed
Instapaper
Internet Archive
Jamf Now
Jitbit Helpdesk
karriere.at
Kayako
Knack
LibraryThing
Liftopia
Maropost Commerce Cloud
MathWorks
Meister
Mentimeter
Mist
Monster
NationBuilder
No Starch Press- TOTP
Office 365
Onshape
OpenAI
OpenStreetMap
OpenWeather
Opera- TOTP
Optimizely
Pastebin
PCPartPicker
Pinboard
Planning Center
Pocket
Prezi
Protolabs- TOTP
Putler
Recruitee
Repairshopr
Replicon
Rev
Ripe NCC
SaneBox
Scalefusion
SendOwl
Shift4Shop
ShipStation
Shopify
signNow
SimplyBook
Slideshare
SmartSimple
Sonix
Spring
Studio Ninja
Talkdesk
TeslaFi
ThriveCart
Timetastic
Tito
Trimble
Trustpilot (For Reviewers)
TurboSquid- SMS
TypeRacer
Ubiquiti Inc
Unleashed Inventory
Upwork
Usabilla
Vagaro
Vivaldi
WageWorks- SMS
Weclapp
Wellfound
Whimsical
Wikipedia
Workato
Xplenty
Yclas
ZendeskPayments
Docs
SMS
Phone Calls
Email
Hardware
Software
Adyen
AfterPay- SMS
Amazon Pay
AppFolio
BlueSnap
Braintree
Cash App
Chargebee
ClickPay
Clover
Coil- TOTP
Currencycloud
Digital River
Dwolla
FastSpring
FIS Global
Flattr
Google Pay
Klarna
Laybuy
PAYEER
Payoneer
PayPal
Paysafecard
Plaid
Plastiq
Privacy
Ravelin
Recurly
Remitly
SixthContinent
Skrill
Spreedly
Square
Stripe
Tebex
Venmo
Visa Checkout
WePay
Western Union
ZipPost and Shipping
Docs
SMS
Phone Calls
Email
Hardware
Software
Earth Class Mail
FedEx- SMS
UK Postbox
UPS
US Postal ServiceRemote Access
Docs
SMS
Phone Calls
Email
Hardware
Software
AirDroid
AnyDesk
Atera
AutoTask
ConnectWise Control (ScreenConnect)
DirectAdmin
Getscreen.me
ISL Online
Linksys Smart Wi-Fi
MB Connect Line
MyFRITZ!Net- TOTP
- WebAuthn / U2F Token
- Custom Hardware: Smartphone biometrics (fingerprint, face recognition)
NordLayer
Parallels
Plesk 360
RealVNC
Remote Desktop Manager
Splashtop
TeamViewer
TermiusRetail
Docs
SMS
Phone Calls
Email
Hardware
Software
Adafruit
AliExpress
Amazon
Apple
ASOS
Barnes & Noble
Best Buy
Bonobos
Boxed
Buyee
Cardmarket
Costco- TOTP
- WebAuthn / U2F Token
Dell
Depop
Displate
Drop
eBay
EMP
Etsy
Everlane
GamersGate
Gilt
Glorious
GoPro
Groupon
Gumroad
H&M
Home Depot- SMS
HP- TOTP
IKEA
jpc
Keepa
Killstar
Kobo
Kohl's
Lazada
LEGO
Lenovo
Logitech- TOTP
Lowes
Macy's
Newegg
Nordstrom
Northern Tool + Equipment
Office Depot
Overstock
Printique
Pro Wrestling Tees
Purse
Rakuten
RCWilley
Samsung
Sierra
Stack Social
Staples
StockX
System76- SMS
- Phone Calls
- TOTP
Target
TopCashback
Voidu
Walgreens
Walmart
Warby Parker
Wayfair
Wiggle
Zalando
Zappos
Zara
ZazzleSecurity
Docs
SMS
Phone Calls
Email
Hardware
Software
AdGuard
ANY.RUN- TOTP
Avast
AVG
Bitdefender
BitSight- TOTP
bugcrowd
Cobalt
Detectify
DigiCert
DMARC Analyzer
dmarcian
DNSFilter
EasyDMARC
Entrust
ESET HOME
GeoTrust
GoGetSSL
HackerOne
hCaptcha
intigriti
IronVest
Kaspersky
KnowBe4
LexisNexis Risk Solutions
Malwarebytes (Personal)
McAfee
NextDNS- TOTP
Norton
Panther- TOTP
Perimeter 81- SMS
- Phone Calls
- TOTP
- WebAuthn / U2F Token
- Custom Software: Perimeter 81 App Push Notification, Duo
Prey
SecurityTrails
Sophos Central
SSLTrust
ThreatConnect
ThreatSim- SMS
ThreatX- TOTP
VirusTotal- TOTP
WatchGuard
Webroot
Wordfence Central
WPScanSocial
Docs
SMS
Phone Calls
Email
Hardware
Software
500px
about.me
ArtStation
ASKfm
Badoo
Beacons
BeReal
BiggerPockets
Bitly
Buffer
cohost
eclincher- TOTP
Ello
Emplifi
Facebook
Flickr
Flipboard
Foursquare
GIPHY
Glassdoor
Goodreads
ICQ
Imgur
Instagram
LinkedIn
Linktree
LiveJournal
Lobsters
Mastodon
Medium
Meetup
Meta- SMS
- TOTP
Minds- SMS
Newgrounds- TOTP
Nextdoor
OkCupid
Pinterest
Plurk
Polywork
Postcrossing
Quora
Reddit
Restream.io
Short.io
Snapchat
SpaceHey- TOTP
SproutSocial
Stack Exchange
Substack
TikTok
TripAdvisor
Tumblr
TV Time
Twitter
VanillaForums.com
Viadeo
VK
Weibo
WordPress.com
Wykop- TOTP
XING
YelpTask Management
Docs
SMS
Phone Calls
Email
Hardware
Software
ActiveCollab
Airtable
Amazing Marvin
Any.do
Asana
Azendoo
Breeze
ClickUp
Cultured Code Things Cloud
Deputy
Microsoft To-Do
Monday.com
Nifty
Nimbus Note
Nozbe Teams
Planio
Podio
Remember The Milk
Shortcut
Teamwork
Tick
Todoist
Toggl
Toodledo
Trello
When I Work
Workflowy
WrikeTickets and Events
Docs
SMS
Phone Calls
Email
Hardware
Software
Eventbrite
Lyyti
SeatGeek
SignUpGenius
StubHub- TOTP
Teamsnap
Ticketmaster- TOTP
Transport
Docs
SMS
Phone Calls
Email
Hardware
Software
Alaska Airlines
Allegiant Air
American Airlines
Amtrak- SMS
Breeze Airways
British Airways
Cathay Pacific
ChargePoint
Clipper
Copa Airlines
Delta
Despegar.com
Deutsche Bahn (DB)
easyJet
Eurowings
EVgo
Finnair- SMS
- TOTP
Flying Blue
Frontier Airlines
General Motors- SMS
- TOTP
Greyhound
Hawaiian Airlines
JetBlue
Jetstar
LATAM Airlines
Lufthansa
Lyft
Norwegian
PlugShare
Qantas
Ryanair
SAS
Sixt
SmarTrip
Southwest
Spirit
TripIt
Turo- SMS
Uber
United
Virgin Atlantic
WestJet
XOUniversities
Docs
SMS
Phone Calls
Email
Hardware
Software
Arizona State University
Arkansas Tech University
Boston University
Brigham Young University- SMS
- Phone Calls
- TOTP
- WebAuthn / U2F Token
- Custom Hardware: Duo D100 Token, Yubico OTP
- Custom Software: Duo
Cal Poly
Cal Poly Pomona
California Institute of Technology (CalTech)
Carnegie Mellon University
Clemson University
College Of DuPage
Colorado School of Mines
Common App
Contra Costa Community College District
Cornell University- SMS
- Phone Calls
- WebAuthn / U2F Token
- Custom Hardware: Duo D100 Token
- Custom Software: Duo
Duke University
East Carolina University
Eastern Michigan University
Embry-Riddle Aeronautical University
Georgia Institute of Technology
Harvard University
Harvey Mudd College- SMS
- Phone Calls
- WebAuthn / U2F Token
- Custom Hardware: Duo D100 Token
- Custom Software: Duo
Illinois Institute Of Technology
Massachusetts Institute of Technology- SMS
- Phone Calls
- Custom Hardware: Yubico OTP, Duo D100 Token
- Custom Software: Duo
Miami University
Michigan State University
Montclair State University
North Carolina State University
Open University
Oregon State University- WebAuthn / U2F Token
- Custom Hardware: Feitian OTP c100 Token
- Custom Software: Duo
Pennsylvania State University
Purdue University
Robert Morris University
San José State University
Santa Clara University
Seton Hall University
Stanford University
Temple University
The Ohio State University- SMS
- TOTP
- WebAuthn / U2F Token
- Custom Hardware: Duo D100 Token
- Custom Software: Duo
University of California, Berkeley- SMS
- WebAuthn / U2F Token
- Custom Hardware: Duo D100 Token
- Custom Software: Duo
University of Colorado Boulder
University of Delaware
University of Idaho
University of Michigan
University of Notre Dame
University of Pennsylvania
University of Washington- Phone Calls
- Custom Hardware: Feitian OTP c100 Token, Yubico OTP
- Custom Software: Duo