L&M Cybersecurity combines offensive testing, 24/7 managed detection and hands-on engineering to close the gap between how secure you think you are and how secure you actually are.
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Accredited, audited and trusted in regulated environments
What we do
Most breaches are not exotic. They are a missed patch, an over-privileged role, a convincing email. We cover the full lifecycle so nothing falls between two vendors.
Goal-driven offensive testing across networks, applications, cloud and people — mapped to real adversary tradecraft, not a scanner report with a logo on it.
Read moreRound-the-clock monitoring, triage and active containment from our security operations centre — with a median time-to-acknowledge measured in minutes, not hours.
Read moreDeep configuration review, identity blast-radius analysis and guardrail engineering for cloud estates that grew faster than their governance.
Read moreISO 27001, SOC 2, GDPR, NIS2 and PCI DSS programmes run by practitioners who have sat on both sides of the audit table.
Read moreEmergency containment, forensic investigation and recovery — with a one-hour response SLA for retainer clients and a hotline that a human answers.
Read moreThreat modelling, secure code review and pipeline integration that catches classes of vulnerability at commit time instead of at pentest time.
Read moreZero-trust architecture, privileged access hardening and identity governance for organisations where the network boundary stopped meaning anything years ago.
Read moreBehavioural training and realistic simulation campaigns that measure reporting rates, not just click rates — because a fast report beats a low click count.
Read moreHow we work
Every engagement follows the same four movements — whether it is a two-week test or a three-year programme.
We map your business, your crown jewels and your realistic threat actors. Scope follows risk, not a template.
Offensive testing, configuration review and detection validation establish where you actually stand today.
Our engineers work alongside yours to remediate — not just to report. Findings are retested at no cost.
Continuous monitoring, quarterly reviews and measurable metrics keep the improvement from decaying.
Industries
A control that works in a SaaS company will get a nurse fired or stop a production line. We build for the environment you actually operate.
Why L&M
No pyramid staffing. The person who scopes your engagement is the person who runs it, and the person who explains it to your board.
Findings within the hour
Critical issues reach you as we find them. You never learn about a domain-admin compromise from a PDF two weeks later.
Remediation included
Our engineers help implement the fix and retest it free within 90 days. Reports that gather dust are a failure.
Evidence, not adjectives
Every finding carries reproducible proof and a measured business impact. No severity inflation.
Your data stays yours
Engagement data is encrypted, segregated per client, and destroyed on a schedule you set.
“They found a path from a forgotten staging subdomain to our production database in under four days. Two other firms had tested the same estate that year and missed it entirely.”
Insights
Field notes from engagements and incident response, written for practitioners.
Most ransomware crews no longer break in. They buy the door key from someone who did it months ago — and that changes where your detection budget should go.
22 Aug 2026 · L&M Threat Research
Zero trust programmes fail when they start as an architecture diagram. Here is the sequence that survives contact with a real organisation.
14 Aug 2026 · L&M Advisory
After a hundred cloud reviews the findings rhyme. Five patterns account for most of the exploitable risk we report.
05 Aug 2026 · L&M Cloud Practice
Next step
Book a scoping call with a senior consultant. No sales engineer, no slide deck — a technical conversation about your actual exposure.