It just so happened that Microsoft sent an email today to our M365 tenant administrators that SMS and voice for 2FA is being removed 1-Feb-2027 and that automatic enrollment to passkeys starts 1-Sep-2026. Bring on the passkey overlords. Although, LLMs say that passkeys are superior to passwords since it includes a public/private key setup with the private key saved to a device that requires a PIN or biometric to access the private key.
bflesch
My tinfoil hat take is that there's significant interest to keep everything digital, always-online and connected to the major providers, so it can easily be snooped by five eyes using their omnipresent backdoors. Passkey biometrics also allow you to confirm certain person is holding the device right in this very moment, and not receiving a TOTP via walkie-talkie. Especially important for kinetic sanctions. If you check out their Terramare group of companies those guys are still using typewriters. Unless you're US/UK millionaire I recommend to stay as analog as possible with physical password book and TOTP/yubikey. Same with the push for "post-quantum crypto" and elliptic curves. I feel my systems get significantly more attention when using 8k RSA than any of its modern replacements. While I love wireguard the transition to ED25519 felt way too smooth..
coldpie
Passkeys are a vector for locking your logins to Big Tech ecosystems. They support device attestation, which means the service you are logging in to can require you to only use certain Passkey clients such as those provided by Google, Apple or Microsoft. The Passkey spec authors also maintain a list of "naughty clients"[1], which are clients that allow the user to manage their own data how they want. Services could choose to block those clients for "security reasons," justifying the decision to force you to use one of the Big Tech providers. Until device attestation is removed or strongly curtailed in the spec, I suggest you do not create any Passkeys. Which sucks, because it's otherwise a pretty cool tech. [1] https://passkeys.dev/docs/reference/known-issues/ More sources here: https://www.smokingonabike.com/2025/01/04/passkey-marketing-...
datakan
Passkeys are just SSH keys in how they work. We've been doing this since the 90's. The only people that use SSH keys are the Linux savvy users and those who are forced to via an enterprise solution for vaulting. The average person doesn't know anything about this stuff nor do they care. I also have yet to see a Passkey solution that didn't also have a password on it and a nice little box letting people choose to use the password instead of the passkey. They just added a new layer on top of all the old ones and created confusion. Now people use password and passkey interchangably in conversations and no one knows what they are talking about.
IceHegel
I think there are probably sinister motives behind some of the push to pass keys, but you'd think that if that were true, they would make it really quite easy to add one and to use. That is not the case. The entire setup/enrollment/add a passkey to your account processing is DMV inspired.
gortok
I do not know how to use a Passkey in a way that won’t impede how I log in to systems. I’ve been in tech for 26 years, and I understand the Public/private key behind what a Passkey is. Here’s what I don’t understand: I access a website through at least four different devices (my iPad, iPhone, Windows Desktop computer, and MacBook Pro) and three different browsers on each device (Brave, Firefox, Safari) , and I use LastPass. If I accidentally set up a passkey on my phone (let’s say I use Safari one day instead of my go-to, Brave), can I still log in without that passkey on other devices? Is there a way to ensure that passkey can be used on other devices? Can I add another passkey on another device? How many passkeys can I set up for a particular site/app? I have at least 6 different combination of browser/devices in use. I don’t want to use Passkeys because I don’t the answers to those questions, and I don’t know whether each website/app that has set up Passkeys has decided the answers to those questions in the same way as the others. For now, I’m going to stick with LastPass and use Passwords; because no matter whether I lose my device or not or whether I’m on my own devices or not, I can be sure I’ll be able to get into a site/app. Edit: One final consideration, my spouse and I share user/name passwords for some things (notably Pandora and our Amazon Prime account) since they don’t handle things like family logins well; how do both my wife and I use amazon or Pandora with passkeys? Do we each set up passkeys? How do I get her Pass if that’s not an option?
exabrial
With physical U2F key, I could explain to my 78 year-old-parents "this is a physical key needed to access your account. Think of it like the front door key to your house. Don't lose it or lend it to anyone. We should have a couple of backup keys too." And they got completely understood and added it to all of their accounts. This was not hard. People assumed consumers were too stupid to do this without even giving them a chance.
programmertote
Like some folks already commented here, even as someone who has been working in tech for 20+ years, I find Passkey confusing. I understand the key aspect in computer science term, but I don't know how to use it across devices. Another big worry is that if I tie that to a physical key, then I might lose it (because it's physical) and never get it back.
varispeed
I find it difficult to explain how to use password manager to non-IT person. Whatever I say, they say it is not secure. No amount of explanation will change their mind. They prefer to keep their passwords in their physical note book hidden in the safe (yes, they open the safe etc each time they need to log in somewhere when they get logged out). As someone with ADHD a passkey is something I can lose easily and I don't want my accounts to be tied to any specific device. What if I have to upgrade my laptop tomorrow because one I use got bricked? Sounds like an absolute nightmare. Password on the other hand I can remember for dozens of services, each very long.
ElijahLynn
I only use pass keys by storing them in 1password. Then I don't have to worry about the whole "lose/broke/replace a device" thing, which is inevitable. Then just be really good about keeping your backup codes etc with 1pass solid.
mullingitover
You’d think a head of product at a tech company would embrace a “it’s literally impossible to have your password stolen if you use this” technology.
rsyring
FWIW: I find passkeys to be a very simple and easy to use concept. Simple: it's like a password that I don't have to type in Easy to use: because I use 1Password and just have it installed on everything. On Android, it can be set as the default passkey provider so, even on mobile, I am using passkeys shared across devices. Is this "less secure" because I'm sharing the keys through 1Password. I suppose, at some level. But before that, I was simply sharing passwords through 1Password in the exact same way. So, I don't think my security posture has changed any. What has changed is the UX and IMO for the better. Now I don't have to generate/fill/copy-paste text strings for user names or passwords. 1Password knows what site I'm on and usually responds automatically when I'm in a passkey context. If I have more than one passkey available, because I have multiple accounts (for something like Google Workspace), it shows me options and I pick the one I want. Honestly, it's mostly a "just works" system and I like it a lot better than passwords. YMMV, of course.
usernametaken29
I don’t understand this point at all. I think the author has himself confused with the average consumer. For the first time in a decade or so you can buy a PHYSICAL key and use it to sign into websites. I can explain this to any grandma out there. Likewise, I’m an Apple user. Once you’re in Apple universe passkeys are extremely easy. Tap your thumb on the scanner, done. Now we can put on the tinfoil hat and say how this fosters vendor lock in yadda yadda but the last thing I would say is that it has terrible user ergonomics. LOL
schmichael
I mostly love passkeys to be honest even though I use multiple browsers across multiple devices and OSes (iOS, Chromebook, Linux, macOS, Xbox, etc). Bitwarden’s support is (finally) pretty good. My problem is that I manage a lot of accounts for my family which makes passkeys a nightmare. If I’m out and a kid gets chucked into a login flow that happens to require a passkey, I can’t text a password and TOTP code to the adult with them. I know that’s terrible opsec but the reality is people share accounts and passkeys are designed to thwart that.
ranger207
The website for my HSA required me to set up a passkey last time I logged in. I set it up on my work laptop and my work password manager, which means I can now no longer access my account from my personal computer. This is fantastic, just what I wanted
herf
I think portability is very confusing: they rolled out passkeys with no device portability (device-bound) and only recently added it (CXP). So for anyone with multiple devices it was a relative disaster - why should my Windows PC hold a device-bound passkey to anything? How do I login on Linux or macOS? Picking a password manager to do portability also means another kind of lockin, though maybe you can live with that kind if you really trust the company. Even so, the password managers all seem to be competing to have relaxed security, so that vault and account passwords are the same, or you are asked to type your master password into a webpage - surely we didn't replace per-site passwords with this?
mnls
I’ve read all the answers. I still don’t get it. I find it WAY more complicated than copy/paste or a browser extension that does that for me. I hope it won’t become mandatory. (I honestly doubt).
yegle
I don't know how to rationalize it: is passkey so good that even the banking apps start pushing it, or is it all a big conspiracy theory with a hidden agenda?
junaru
Passkeys were invented so hacked sites could brush off their leaks with "no credentials were leaked" and minimise any regulatory fines. This is the reason why its being pushed by the big players. Additionally this puts the same players in control of your logins - want to sync your passkeys? - enable "iCloud Keychain", or some other 'trust me bro' app that will 'securely store/sync your data' - no thank you. In perfect world users should be able to generate a certificate, upload it to a couple nfc capable ubikey like devices that blow a fuse afterwards preventing from additional writes/reads and use that to login to every app ever. You would buy such devices in packs of 3, upload same cert to all, hide the other, burry the third.
ectoloph
Passkeys are a mitigation against users being bad at password hygiene and phishing being a real issue to users. You can't phish a passkey, and you don't rely on the user providing you 'hunter2' on every site. As for vendor lock in? No. The specs are open. You can run the code on a microcontroller, or, you can keep it in your arm with something like the Vivokey Apex. Note that the FIDO2 for the Apex is an open source Javacard applet. The UX on the other hand is not great. If you have a password manager, your OS may prompt you which target to store the passkey with.
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Discussion Highlights (20 comments)
voidmain0001
It just so happened that Microsoft sent an email today to our M365 tenant administrators that SMS and voice for 2FA is being removed 1-Feb-2027 and that automatic enrollment to passkeys starts 1-Sep-2026. Bring on the passkey overlords. Although, LLMs say that passkeys are superior to passwords since it includes a public/private key setup with the private key saved to a device that requires a PIN or biometric to access the private key.
bflesch
My tinfoil hat take is that there's significant interest to keep everything digital, always-online and connected to the major providers, so it can easily be snooped by five eyes using their omnipresent backdoors. Passkey biometrics also allow you to confirm certain person is holding the device right in this very moment, and not receiving a TOTP via walkie-talkie. Especially important for kinetic sanctions. If you check out their Terramare group of companies those guys are still using typewriters. Unless you're US/UK millionaire I recommend to stay as analog as possible with physical password book and TOTP/yubikey. Same with the push for "post-quantum crypto" and elliptic curves. I feel my systems get significantly more attention when using 8k RSA than any of its modern replacements. While I love wireguard the transition to ED25519 felt way too smooth..
coldpie
Passkeys are a vector for locking your logins to Big Tech ecosystems. They support device attestation, which means the service you are logging in to can require you to only use certain Passkey clients such as those provided by Google, Apple or Microsoft. The Passkey spec authors also maintain a list of "naughty clients"[1], which are clients that allow the user to manage their own data how they want. Services could choose to block those clients for "security reasons," justifying the decision to force you to use one of the Big Tech providers. Until device attestation is removed or strongly curtailed in the spec, I suggest you do not create any Passkeys. Which sucks, because it's otherwise a pretty cool tech. [1] https://passkeys.dev/docs/reference/known-issues/ More sources here: https://www.smokingonabike.com/2025/01/04/passkey-marketing-...
datakan
Passkeys are just SSH keys in how they work. We've been doing this since the 90's. The only people that use SSH keys are the Linux savvy users and those who are forced to via an enterprise solution for vaulting. The average person doesn't know anything about this stuff nor do they care. I also have yet to see a Passkey solution that didn't also have a password on it and a nice little box letting people choose to use the password instead of the passkey. They just added a new layer on top of all the old ones and created confusion. Now people use password and passkey interchangably in conversations and no one knows what they are talking about.
IceHegel
I think there are probably sinister motives behind some of the push to pass keys, but you'd think that if that were true, they would make it really quite easy to add one and to use. That is not the case. The entire setup/enrollment/add a passkey to your account processing is DMV inspired.
gortok
I do not know how to use a Passkey in a way that won’t impede how I log in to systems. I’ve been in tech for 26 years, and I understand the Public/private key behind what a Passkey is. Here’s what I don’t understand: I access a website through at least four different devices (my iPad, iPhone, Windows Desktop computer, and MacBook Pro) and three different browsers on each device (Brave, Firefox, Safari) , and I use LastPass. If I accidentally set up a passkey on my phone (let’s say I use Safari one day instead of my go-to, Brave), can I still log in without that passkey on other devices? Is there a way to ensure that passkey can be used on other devices? Can I add another passkey on another device? How many passkeys can I set up for a particular site/app? I have at least 6 different combination of browser/devices in use. I don’t want to use Passkeys because I don’t the answers to those questions, and I don’t know whether each website/app that has set up Passkeys has decided the answers to those questions in the same way as the others. For now, I’m going to stick with LastPass and use Passwords; because no matter whether I lose my device or not or whether I’m on my own devices or not, I can be sure I’ll be able to get into a site/app. Edit: One final consideration, my spouse and I share user/name passwords for some things (notably Pandora and our Amazon Prime account) since they don’t handle things like family logins well; how do both my wife and I use amazon or Pandora with passkeys? Do we each set up passkeys? How do I get her Pass if that’s not an option?
exabrial
With physical U2F key, I could explain to my 78 year-old-parents "this is a physical key needed to access your account. Think of it like the front door key to your house. Don't lose it or lend it to anyone. We should have a couple of backup keys too." And they got completely understood and added it to all of their accounts. This was not hard. People assumed consumers were too stupid to do this without even giving them a chance.
programmertote
Like some folks already commented here, even as someone who has been working in tech for 20+ years, I find Passkey confusing. I understand the key aspect in computer science term, but I don't know how to use it across devices. Another big worry is that if I tie that to a physical key, then I might lose it (because it's physical) and never get it back.
varispeed
I find it difficult to explain how to use password manager to non-IT person. Whatever I say, they say it is not secure. No amount of explanation will change their mind. They prefer to keep their passwords in their physical note book hidden in the safe (yes, they open the safe etc each time they need to log in somewhere when they get logged out). As someone with ADHD a passkey is something I can lose easily and I don't want my accounts to be tied to any specific device. What if I have to upgrade my laptop tomorrow because one I use got bricked? Sounds like an absolute nightmare. Password on the other hand I can remember for dozens of services, each very long.
ElijahLynn
I only use pass keys by storing them in 1password. Then I don't have to worry about the whole "lose/broke/replace a device" thing, which is inevitable. Then just be really good about keeping your backup codes etc with 1pass solid.
mullingitover
You’d think a head of product at a tech company would embrace a “it’s literally impossible to have your password stolen if you use this” technology.
rsyring
FWIW: I find passkeys to be a very simple and easy to use concept. Simple: it's like a password that I don't have to type in Easy to use: because I use 1Password and just have it installed on everything. On Android, it can be set as the default passkey provider so, even on mobile, I am using passkeys shared across devices. Is this "less secure" because I'm sharing the keys through 1Password. I suppose, at some level. But before that, I was simply sharing passwords through 1Password in the exact same way. So, I don't think my security posture has changed any. What has changed is the UX and IMO for the better. Now I don't have to generate/fill/copy-paste text strings for user names or passwords. 1Password knows what site I'm on and usually responds automatically when I'm in a passkey context. If I have more than one passkey available, because I have multiple accounts (for something like Google Workspace), it shows me options and I pick the one I want. Honestly, it's mostly a "just works" system and I like it a lot better than passwords. YMMV, of course.
usernametaken29
I don’t understand this point at all. I think the author has himself confused with the average consumer. For the first time in a decade or so you can buy a PHYSICAL key and use it to sign into websites. I can explain this to any grandma out there. Likewise, I’m an Apple user. Once you’re in Apple universe passkeys are extremely easy. Tap your thumb on the scanner, done. Now we can put on the tinfoil hat and say how this fosters vendor lock in yadda yadda but the last thing I would say is that it has terrible user ergonomics. LOL
schmichael
I mostly love passkeys to be honest even though I use multiple browsers across multiple devices and OSes (iOS, Chromebook, Linux, macOS, Xbox, etc). Bitwarden’s support is (finally) pretty good. My problem is that I manage a lot of accounts for my family which makes passkeys a nightmare. If I’m out and a kid gets chucked into a login flow that happens to require a passkey, I can’t text a password and TOTP code to the adult with them. I know that’s terrible opsec but the reality is people share accounts and passkeys are designed to thwart that.
ranger207
The website for my HSA required me to set up a passkey last time I logged in. I set it up on my work laptop and my work password manager, which means I can now no longer access my account from my personal computer. This is fantastic, just what I wanted
herf
I think portability is very confusing: they rolled out passkeys with no device portability (device-bound) and only recently added it (CXP). So for anyone with multiple devices it was a relative disaster - why should my Windows PC hold a device-bound passkey to anything? How do I login on Linux or macOS? Picking a password manager to do portability also means another kind of lockin, though maybe you can live with that kind if you really trust the company. Even so, the password managers all seem to be competing to have relaxed security, so that vault and account passwords are the same, or you are asked to type your master password into a webpage - surely we didn't replace per-site passwords with this?
mnls
I’ve read all the answers. I still don’t get it. I find it WAY more complicated than copy/paste or a browser extension that does that for me. I hope it won’t become mandatory. (I honestly doubt).
yegle
I don't know how to rationalize it: is passkey so good that even the banking apps start pushing it, or is it all a big conspiracy theory with a hidden agenda?
junaru
Passkeys were invented so hacked sites could brush off their leaks with "no credentials were leaked" and minimise any regulatory fines. This is the reason why its being pushed by the big players. Additionally this puts the same players in control of your logins - want to sync your passkeys? - enable "iCloud Keychain", or some other 'trust me bro' app that will 'securely store/sync your data' - no thank you. In perfect world users should be able to generate a certificate, upload it to a couple nfc capable ubikey like devices that blow a fuse afterwards preventing from additional writes/reads and use that to login to every app ever. You would buy such devices in packs of 3, upload same cert to all, hide the other, burry the third.
ectoloph
Passkeys are a mitigation against users being bad at password hygiene and phishing being a real issue to users. You can't phish a passkey, and you don't rely on the user providing you 'hunter2' on every site. As for vendor lock in? No. The specs are open. You can run the code on a microcontroller, or, you can keep it in your arm with something like the Vivokey Apex. Note that the FIDO2 for the Apex is an open source Javacard applet. The UX on the other hand is not great. If you have a password manager, your OS may prompt you which target to store the passkey with.