Webmail Auth: How Email Authentication Actually Works
Webmail auth spans two very different problems: proving who a user is when they sign in, and proving a message really came from the domain it claims. Both matter for security.
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.
Webmail auth spans two very different problems: proving who a user is when they sign in, and proving a message really came from the domain it claims. Both matter for security.
Two dozen AI guardrail vendors in 2023. A much smaller set in 2026. The consolidation has pattern — integrated platforms beat standalone guardrails.
Reviewers trust fix PRs that come with evidence. Here is how to attach the right evidence so AI-assisted remediation gets approved on the first pass.
An auto-fix that closes a vulnerability and breaks the build is not a fix. Breaking-change awareness separates auto-PRs that ship from auto-PRs that get reverted.
A senior engineer's view of how CERT-In directives in 2025 and 2026 are reshaping software supply chain expectations for organizations operating in India.
ISO 27001:2022 added explicit supply chain controls in Annex A. Learn how to build a program that satisfies A.5.19 through A.5.23 with continuous evidence.
Runtime drift is the last honest witness in container supply chain defence. This post covers what drift signals tell you, how to instrument for them, and how to investigate without overwhelming on-call.
Tool sprawl is the slow-motion failure mode of every SecOps program. Here is a blueprint for consolidating tools without losing coverage and without political damage.
An SBOM without VEX is a noise machine. Here is how disciplined VEX authoring cuts vulnerability backlogs by 70-90% while improving defensibility, not weakening it.
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