KBY EDITORIALAUTHOR PROFILE

Eleanor Hayes

LEAD SECURITY ARCHITECT

Dr Eleanor Hayes is a veteran cryptography researcher and enterprise security architect specialising in zero-trust network implementations. Having spent a decade securing critical national infrastructure, she now designs identity-aware proxy perimeters and mutual TLS topologies for highly distributed environments. She holds multiple GIAC certifications and regularly consults on mitigating advanced persistent threats within microservice ecosystems.

PUBLISHED ARTICLES

EDITORIAL ROLE

CONTRIBUTOR

AREAS OF EXPERTISE

Embedded SystemsHardware TroubleshootingPower DeliveryUSB-CCPU Thermal Throttling

PUBLISHED ARTICLES

10 analyses shown

Detailed view of a rusted barbed wire fence for security and protection outdoors.

Security & Operations Guardrails for Microsoft Defender

A practical engineering deep dive on designing, validating and safely recovering a bounded Microsoft Defender security operations workflow.

22/08/20267 minEleanor Hayes

Modern security control room with a diverse team monitoring live surveillance feeds.

Security & Operations Change Control with Microsoft Defender

Design, validate and roll back a bounded Microsoft Defender policy change safely, with staged scoping, audit-first validation and clear failure modes.

19/08/20266 minEleanor Hayes

Black and white image of a modern building facade with a geometric hexagonal pattern.

Idempotent API State Changes with Compensating Actions

Design, validate and safely recover a bounded API software architecture workflow using explicit evidence, observable checks and rollback boundaries.

11/08/20267 minEleanor Hayes

Debugging USB-PD Negotiation Failures

How CC-line PDO/RDO exchange, e-marker chips and TCPM state machines expose the exact point where USB-PD negotiation stalls or falls back to 5V.

30/07/20269 minEleanor Hayes

Diagnosing Laptop CPU Thermal Throttling

Intel RAPL power limits, MSR register polling and PL1/PL2 windows reveal why laptop CPUs throttle mid-task, with turbostat and powercap fixes.

27/07/202612 minEleanor Hayes

Building a Webhook Retry Storm Calculator

How exponential backoff without jitter synchronises failed webhook retries into a collision spike, and the maths behind a calculator that predicts it.

26/07/202611 minEleanor Hayes

Building a Load Average Diagnostic Calculator

Parsing /proc/loadavg, nproc and iowait into a load average calculator that separates CPU contention from disk-bound stalls.

26/07/202611 minEleanor Hayes

Diagnosing INP Regressions via the LoAF API

Long Animation Frames API entries expose script attribution, style/layout cost and presentation delay hidden by the Long Tasks API's flat 50ms bucket.

25/07/202610 minEleanor Hayes

Deterministic Rollout Gating for Progressive Delivery

Metric-driven progressive delivery gating using Prometheus queries, weighted traffic shifts and automated rollback thresholds for safe canary promotion.

24/07/202610 minEleanor Hayes

BYOD Management Tools: MAM Without Enrolment

How App Protection Policies, Conditional Access token binding and Graph API enforcement deliver BYOD management tools without full MDM enrolment.

19/07/202610 minEleanor Hayes