CYBERSECURITY

Secure The
Invisible.
Trust the Visible

Enterprise-grade Zero-Trust architecture, real-time threat intelligence, and end-to-end infrastructure protection — engineered for businesses across Assam and beyond.

RANSOM ZERO-TRUST NGFW ON 24/7 SOC
Ransomware Blocked Zero-Day Patched DDoS Mitigated SSL/TLS Enforced Firewall Rules Active MFA Enabled VPN Tunnels Secured Backup Immutable Threat Intelligence Live Ransomware Blocked Zero-Day Patched DDoS Mitigated SSL/TLS Enforced Firewall Rules Active MFA Enabled VPN Tunnels Secured Backup Immutable Threat Intelligence Live
Threat Intelligence — 2024–2025

The Modern Attack Surface Is Everywhere

Cyber threats have evolved from nuisance to existential risk. Every connected device is an entry point. Every unpatched system is an open door. Below is the current global scenario — and precisely how ULUK's firewall stack closes each vector.

Global context

$10.5 Trillion Cybercrime Cost

Projected annual global damage by 2025, surpassing the GDP of most nations (Cybersecurity Ventures).

SMB focus

43% of Attacks Target SMBs

Small businesses are prime targets — lower defences, real financial data. 60% close within 6 months of a breach.

AI-powered threats

AI-Generated Phishing Up 1,265%

Since late 2022, AI-crafted spear-phishing and deepfake voice attacks have made social engineering near-undetectable.

Critical infra

OT/ICS Attacks Surging

Power grids, water treatment, hospitals — operational technology attacks rose 87% in 2024 (Dragos ICS Report).

Threat Vector Risk Level 2024-25 World Scenario Firewall Defence Status
Ransomware File-encrypting malware demanding payment Critical LockBit 3.0, BlackCat/ALPHV, and Akira dominated 2024. Hospitals, logistics firms, and Indian govt portals were hit. Avg ransom demand crossed $1.54M. NGFW blocks C2 beacons; deep-packet inspection kills payload delivery. Immutable backup ensures recovery without paying. Checked
Phishing / BEC AI-crafted spear-phishing & invoice fraud Critical Generative AI now writes flawless regional-language phishing emails. Business Email Compromise (BEC) losses hit $2.9B in the US in 2024 alone. India saw a 180% rise in BEC targeting finance teams. Secure Email Gateway + DNS-layer blocking. DMARC/DKIM enforcement. MFA stops credential-reuse even after a successful phish. Checked
Lateral Movement Post-breach spread across internal network High Average attacker dwell time is 204 days before detection. Nation-state actors (APT41, Volt Typhoon) specialise in silent lateral movement, mapping infrastructure for months before striking. VLAN micro-segmentation + Zero Trust Network Access (ZTNA). No implicit trust — every east-west packet is verified. Checked
DDoS Attacks Volumetric / application-layer floods High Cloudflare reported the largest DDoS in history (3.8 Tbps) in late 2024. Hacktivists and ransomware groups now combine DDoS with data exfiltration — triple-extortion tactics. ISP-level scrubbing + rate limiting policies on NGFW. SYN-cookie protection. BGP blackholing for volumetric attacks. Checked
AI-Powered Attacks LLM-generated malware & deepfakes Critical FraudGPT and WormGPT on dark web markets generate polymorphic malware that evades signature-based AV. Deepfake audio impersonating CFOs has led to $25M+ wire transfer frauds in 2024 (Arup, Hong Kong incident). Heuristic + behavioural AI on NGFW — detects anomalous process trees and polymorphic payloads even without known signatures. Checked
Supply Chain Attacks Compromised third-party software or vendors Critical XZ Utils backdoor (CVE-2024-3094) nearly compromised millions of Linux systems globally. MOVEit, 3CX, and SolarWinds-style supply chain attacks are now a top attack vector targeting MSPs and their downstream clients. Application whitelisting + software integrity checks. Vendor access restricted via ZTNA. AMC patch management closes CVEs within 72 hours. Checked
Mobile & IoT Threats Smart devices, IP cameras, printers as entry points High Mirai-variant botnets now recruit IP cameras, NAS boxes, and smart ACs across India to launch attacks. Gartner: 75% of enterprise IoT devices have unpatched vulnerabilities. Factory floors and surveillance systems are top targets. IoT devices isolated in dedicated VLANs. MAC filtering blocks unknown devices. NGFW blocks outbound C2 communication from infected endpoints. Checked
Insider Threats Malicious or negligent employees Medium Insider incidents account for 20% of all breaches (Verizon DBIR 2024). Remote-work expansion has increased shadow IT use and unmonitored data exfiltration via personal cloud storage. RBAC + DLP policies block mass data exports. Full audit logging on SOC dashboard. USB and personal cloud blocked via NGFW application control. Checked
Cloud Misconfigurations Exposed S3 buckets, open APIs, weak IAM High The Microsoft Azure MFA bypass (2024) exposed 400M accounts. Misconfigured cloud storage remains the #1 cause of data leaks — IBM estimates 82% of breaches involve cloud-stored data. CASB (Cloud Access Security Broker) integration monitors cloud traffic. NGFW enforces SSL inspection on cloud-bound sessions. MFA mandatory. Checked
Unpatched CVEs Known software vulnerabilities left open Low CVE-2024-3400 (PAN-OS zero-day) was exploited within hours of disclosure. NVD published over 29,000 CVEs in 2023 — the highest ever. Mean time to exploit after disclosure is now under 5 days. AMC proactive patch management closes CVEs within SLA windows. Virtual patching via IPS protects systems before vendor patches are released. Checked
Northeast India context: Silchar, Guwahati, and Dibrugarh-based businesses are increasingly targeted by automated scanners probing RDP ports, unencrypted NAS devices, and default-credential routers. Our on-ground SOC monitoring are available in the North-East corridor's threat profile.
Firewall Architecture

How the Firewall Actually Stops Each Attack

A Next-Generation Firewall (NGFW) is not a single wall — it is a pipeline of inspection engines. Here is how a malicious packet is caught at multiple checkpoints before it ever reaches your data.

Inbound
Threat Packet
IP Reputation
& Geo-block
SSL/TLS
Decrypt + DPI
Heuristic
& AI Engine
VLAN / ZTA
Policy Check
Clean Traffic
Allowed

Malicious packets are terminated at the earliest possible checkpoint — never silently passed to the next layer.

Layer 1Perimeter
IP Reputation Filtering & Geo-blocking

Before a single byte enters your network, the FortiGate/Sophos NGFW cross-references the source IP against live global threat feeds (FortiGuard, Sophos X-Ops). IPs flagged for botnet activity, C2 servers, Tor exit nodes, or high-risk geographies are dropped with a TCP RST — they never reach Layer 2. This blocks ~65% of all attack traffic at the gate.

Blocks: Botnet C2 Blocks: Tor/Proxy evasion Blocks: Nation-state scanners Allows: Verified business IPs
Layer 2Inspection
SSL/TLS Decryption + Deep Packet Inspection (DPI)

Over 85% of malware now hides inside encrypted HTTPS traffic — invisible to traditional firewalls. NGFW performs "man-in-the-middle" SSL inspection: decrypts the session, inspects the payload for malicious content, then re-encrypts. Ransomware dropper URLs, phishing page loads, and exfiltration tunnels are caught here. No encrypted threat gets a free pass.

Catches: Ransomware downloaders Catches: Encrypted C2 channels Catches: Data exfiltration over HTTPS Applies: Certificate validation
Layer 3AI Engine
Heuristic, Behavioural & AI-based Threat Detection

Signature-based detection fails against zero-day malware and AI-generated polymorphic code — a new variant every few minutes. The NGFW's AI engine analyses behaviour: does this process spawn cmd.exe unexpectedly? Does this file attempt to enumerate network shares at 3 AM? Anomalies are sandboxed and detonated in an isolated environment before the payload can reach production systems.

Catches: Zero-day exploits Catches: Polymorphic malware Catches: AI-generated phishing payloads Uses: FortiAI / Sophos X-Ops ML
Layer 4Segmentation
VLAN Micro-segmentation + Zero Trust Network Access

Even if a device inside the network is compromised (e.g. via an infected USB), micro-segmentation ensures the attacker cannot move laterally. Finance VLAN cannot talk to the HR VLAN. IoT cameras are on an isolated segment that cannot reach the core servers. Every inter-segment packet is re-inspected at the firewall — there is no "trusted interior" in a Zero Trust model.

Stops: Lateral movement Contains: Ransomware spread Enforces: Least-privilege access Isolates: IoT / OT devices
Layer 5Response
24/7 SOC Alerting + Automated Response

When the above layers detect a threat, the NGFW triggers automated responses in milliseconds: quarantine the infected endpoint, revoke the compromised session token, alert the SOC team via SMS and dashboard, and generate a forensic log for post-incident analysis. Human analysts in ULUK's SOC review alerts and escalate within defined SLAs — minimising dwell time from the industry average of 204 days to under 4 hours.

Auto-quarantine infected endpoints SOC alert under 15 minutes Full forensic audit trail Incident dwell time < 4 hours
Key insight: A basic consumer-grade router checks only Layer 3 (IP addresses). ULUK deploys enterprise NGFW that operates simultaneously at Layers 2–7 — application-aware, identity-aware, and AI-assisted. The difference between a ₹2,000 router and a managed NGFW is the difference between a chain-link fence and a fortified perimeter with CCTV, guards, and a panic room.
Our Defense Stack

Multi-Layer Defense-in-Depth

Security is not a single wall; it is a series of hurdles. We apply controls at every layer of the OSI Model so that one breach never becomes a disaster.

Layer 2 — Data Link
Port Security & MAC Filtering

Rogue devices are blocked at the switch level before they ever reach your network. Static ARP inspection prevents poisoning attacks.

Layer 3/4 — Network & Transport
Stateful Firewall & IP Reputation

FortiGate & Sophos NGFW with "Deny All" default policies, geo-blocking, and live IP reputation feeds from global threat databases.

Layer 7 — Application
Deep Packet Inspection & DNS Security

HTTP/S traffic decrypted and inspected in real-time. Malicious domains blocked before DNS resolution. Zero-day payloads sandboxed.

Endpoint
EDR + Zero Trust Network Access

Every device verified by identity and posture before network access. No implicit trust — even inside your perimeter.

uluk-security-policy-v2.6.conf
# ULUK Infotech — Gateway Defense Protocol
config system global
  set threat-weight-level high
  set zero-trust-tags enable
  set ips-mode flow-based
end

# Zero-Trust Access Policy
IF (Packet.Origin == Untrusted) {
  Apply_ZTA_Policy();
  Inspect_Payload_Heuristics();
  Validate_SSL_Certificate();
  Check_IP_Reputation();
}
ELSE IF (Device.Posture == Compromised) {
  Terminate_Session();
  Alert_SOC();
}

// Status: All Gateways Encrypted & Monitored ✓
Encryption Architecture

Advanced Cryptographic Standards

Data at Rest

AES-256 bit encryption for NAS and server storage. Hardware theft renders data completely inaccessible — a digital void.

Data in Transit

End-to-end VPN tunneling using IKEv2 and IPsec protocols for secure remote work and site-to-site connectivity.

Identity & Access

Multi-Factor Authentication with cryptographic tokens or biometrics. RBAC ensures least-privilege access at every level.

Enterprise Grade

What We Deploy For You

Managed NGFW

FortiGate & Sophos NGFW configured with deny-all defaults, application control, and live threat feeds. We manage it, you benefit from it.

Zero Trust Policy

Identity-based access control. No device trusted by default — inside or outside the perimeter. Every session verified.

SSL/TLS Inspection

Encrypted traffic decrypted and inspected in real-time without compromising network speed. Hidden malware has nowhere to hide.

VLAN Segmentation

Network micro-segmentation isolates critical systems. A breach in one segment cannot spread to the rest of your infrastructure.

SOC Monitoring

24/7 Security Operations Centre alerts. Anomalous behaviour flagged in minutes. Incidents contained before they escalate.

AMC Patch Management

Proactive vulnerability scanning and scheduled patching under our AMC programmes. Zero unpatched CVEs in your environment.

Data Sovereignty

The 3-2-1 Backup Rule

Security isn't just about stopping an attack — it's the mathematical certainty of recovery. ULUK designs air-gapped backup architectures so your data survives anything.

3
Copies of Your Data

Primary data and two independent backups. No single point of failure (SPOF) across your entire dataset.

2
Different Storage Media

Data on Local NAS and Cloud infrastructure simultaneously — protecting against hardware-specific vulnerabilities.

1
Offsite Immutable Copy

An "Immutable" backup that ransomware cannot encrypt or delete — ever. Your ultimate guarantee of recovery.

backup-integrity-check.sh
# ULUK Backup Sovereignty Verification
for copy in [PRIMARY, NAS_BACKUP, OFFSITE_IMMUTABLE]:
  verify_integrity(copy.checksum)
  test_restoration(copy, dry_run=True)
  confirm_immutability(copy.offsite)

# Output
PRIMARY — Healthy | Last verified: today
NAS_BACKUP — Healthy | Encrypted: AES-256
OFFSITE_IMMUTABLE — Locked | Cannot modify

// Recovery Certainty: 100% ✓

Infrastructure isn't "IT".
It's Business Continuity.

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