All Case StudiesOur network security clients close open ports and shrink their attack surface metrics
Two network segmentation and monitoring engagements. Full findings under MNDA; a walkthrough of the firewall audit is available on a scoping call.
Cybersecurity and Compliance engagement,
Network security and segmentation
Dcrayon reviewed every firewall rule and flat VLAN we had, then rebuilt the network into segmented zones. Our SOC finally sees the east-west traffic it was blind to before.
Network Security engagement: firewall rule audit, VLAN segmentation, and 802.1X network access control, with Suricata sensors feeding the SOC. Reviewed jointly at day 90.
Read Cybersecurity and Compliance engagement's Case StudyMid-market cybersecurity and compliance brand,
Network security and SOC monitoring
For months our alerts were mostly noise from a flat network. Dcrayon tuned the Suricata rules and isolated our crown-jewel systems, so what reaches our analysts now is worth investigating.
Network Security engagement paired with a SOC monitoring rollout across cybersecurity and compliance. A baseline traffic map in the first week showed where lateral movement was still possible.
Read Mid-market cybersecurity and compliance brand's Case StudyWhy choose Dcrayon for network security
Dcrayon has shipped 200+ solutions engagements for 60+ active retainers since 2016, run from our Delhi HQ and Sheridan, Wyoming office. Our architects hold CEH, OSCP, and CISSP, and are certified across AWS, Azure, and GCP. AI-first since our 2024 pivot.
A named security architect owns your account
No junior analysts practicing on your firewalls. The cyber security consultant who scopes your segmentation and rules stays on the account.
Five-axis Score before you sign
A written posture diagnostic and a fixed estimate up front. No drawn-out discovery phase before real hardening work starts.
AI-assisted detection as default
Every engagement includes AI-assisted work as default: traffic anomaly detection, alert triage, and log review your team would not staff by hand.
A monthly readout finance can read
Weekly working sessions and a monthly score tied to one risk metric, like mean time to detect. A report finance reads without a translator.
HOW WE WORK
How Dcrayon works with the brands we partner with

What we harden
Three areas that close the attack paths most networks leave open.
Step 1: Firewall and segmentation policy
Least privilege between zones Rule sets reviewed and rebuilt so traffic that has no business reason is denied by default, not allowed by history.
Step 2: Detection tuning
IDS and IPS that stay useful Signatures and thresholds tuned to your traffic, so alerts mean something and the team stops ignoring the console.
Step 3: Zero-trust access
VPN and identity-aware Access tied to identity and device posture rather than network location, aligned to SOC 2 access control requirements.
The network security controls we design and verify
Default capabilities on every Dcrayon network security engagement
Three proprietary tools we apply to every network security engagement
Score, Sequence, Repair. The diagnostic, the 90-day playbook, and the AI-assisted toolkit we run on every network security engagement.
Growth Intelligence (network security axis)
A five-axis, six-dimension review. The network security axis inspects firewall rulesets, VLAN and segmentation design, IDS and IPS coverage, remote-access and VPN hygiene, and patch state. Free on every proposal call.
Dcrayon Growth Engine (network security sequencing)
A quarter-long playbook that sequences network security work, from segmentation to monitoring, back to one risk metric you choose, such as mean time to detect.
Dcrayon AI (network security toolkit)
An internal toolkit that audits firewall rules, VPN configs, and exposed ports, then ranks fixes into a remediation roadmap your finance team can budget.
How Dcrayon runs network security
Three repeatable plays that harden your network and hold the line across cycles.
Step 1: Score
A free Growth Intelligence readout in one business day. A five-axis network security review mapped to your current topology, giving one 0-100 number plus a ranked gap list across firewalls, segmentation, and access control. No follow-on commitment.
Step 2: Plan
A written 90-day network security plan tied to one operational metric you pick, such as mean time to contain. A senior architect designs the segmentation and firewall changes, either side can end the engagement at day 90, and there is no annual lock-in.
Step 3: Compound
Weekly reviews with the senior architect, plus a monthly summary your finance team can read. The work stacks: firewall and segmentation hardening in cycle one supports SOC monitoring in cycle two, which supports response automation in cycle three.
Get a network security readout
A written five-axis posture review mapped to your real attack surface, with a fixed estimate, in one business day.

Sibling Dcrayon services inside the Cybersecurity and Compliance category. Programs clients often layer alongside Network Security.
WHY DCRAYON
Why teams keep the network with us
Four commitments behind every hardening engagement.
Attack paths, not dashboard colour
Findings describe the route an attacker would take end to end. A green console is not evidence of a closed path.
A named security architect
No junior analysts practicing on your firewalls. The consultant who scopes the work owns the account.
Rules reviewed, not just added
Hardening removes stale allow rules as well as adding controls, because most exposure accumulates rather than appears.
One risk metric, reported monthly
A monthly score against the metric you chose, such as mean time to detect, written for people outside the security team.
Real client work, with the receipts
Network Security FAQs
Standard network security engagements begin within two to three weeks of signing. Post-incident containment work can begin sooner when the situation calls for it.
Both. Some cyber security firms hand you tools and walk away. We can act as your full network security and compliance team, or as the senior cyber security consultant and escalation line behind your in-house engineers. We scope per account.
Most network security retainers begin at Rs 4 to 8 lakhs per month in India, or USD 6 to 15 thousand per month globally. Audit-only reviews start lower.
Yes. A free five-axis posture score on every proposal call, mapped to your current network. No follow-on commitment required.

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