Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
To build a reset link your app needs to know its own hostname, and the convenient place to find it is the Host header. That header is supplied by the client, so a stranger decides what goes in the email you send.
It can read every customer's data because that is its job, it was built quickly for an audience of colleagues, and it has never been part of a release anyone examined closely.
Claiming a domain routes new signups, enforces sign-on and can absorb existing accounts. Every control that follows inherits whatever confidence that one check produced.
You shipped v2 with a tightened authorisation check. v1 is still live because nobody knows who calls it. An attacker does not have to use v2.
Anything can send one: a web page, a QR code, a message, another app on the device. With a custom scheme there is not even a guarantee the link reaches your app rather than someone else's.
A user clicks approve in about four seconds and an application you did not write holds a token to their data, refreshing itself indefinitely. In most products nobody can list them afterwards.
A high-entropy string with no marker is invisible to every secret scanner, which makes yours the product that finds out last. A few decisions about the format buy a great deal.
It is the absence of one, with a long identifier standing in for a decision about who should see the thing. Products ship it because customers need it, and then nobody can list what has been shared.
The user is removed from the project, their role is downgraded, their session is revoked. The socket is still open and still receiving, because nothing re-evaluates a connection that was authorised in the past.
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