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Security license for ISR 4400 series provides robust protection with easy deployment.
SL-44-SEC-K9
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SECURITY LICS FOR ISR 4400 SERIES
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Name:
SL-44-SEC-K9
- Description:
- SECURITY LICS FOR ISR 4400 SERIES
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 882658567049
- Condition:
- Warranty:
- 3
- List Price:
$4,719.00
- Price:
$1,043.0077.9% off
Quantity:
1
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SL-44-SEC-K9 Overview
The SL-44-SEC-K9 Cisco FirePOWER 4140/4150 Security License activates advanced security and next-generation threat protection on the Cisco FirePOWER 4100 Series Next-Generation Firewalls (NGFWs), including the FirePOWER 4140 and FirePOWER 4150 models. It enables a full suite of Cisco’s next-gen security services such as Next-Generation Intrusion Prevention (NGIPS), Advanced Malware Protection (AMP), and URL filtering, ensuring comprehensive, multi-layered defense against sophisticated cyber threats.
This license equips the FirePOWER 4100 Series to detect, analyze, and mitigate modern attacks using deep packet inspection, real-time analytics, and global intelligence powered by Cisco Talos. It delivers enhanced network visibility and automates responses to ransomware, zero-day exploits, and emerging cyber threats.
Delivered via Electronic Software Delivery (ESD), the SL-44-SEC-K9 license activates instantly and securely online. As an OEM perpetual license, it provides lifetime validity, full compatibility with Cisco FirePOWER Threat Defense (FTD) software, and access to SMARTnet and FirePOWER Management Center (FMC) for centralized management and continuous support.
Ideal for enterprises, service providers, and mission-critical data centers, this license transforms the FirePOWER 4100 Series into a full-scale security platform capable of delivering real-time protection, intelligent analytics, and enterprise-grade resilience.
Capabilities
- Next-Generation Intrusion Prevention (NGIPS) - Identifies and blocks advanced network threats in real time.
- Advanced Malware Protection (AMP) - Provides continuous file analysis, monitoring, and post-infection remediation.
- URL & Application Filtering - Controls access to websites and applications to strengthen compliance and security.
- Global Threat Intelligence - Powered by Cisco Talos for predictive, up-to-date threat insights.
- Centralized Management - Unified visibility and analytics through Cisco FirePOWER Management Center (FMC).
- Perpetual License Model - Lifetime activation with ongoing Cisco software compatibility and support.
Supported Hardware & Software for SL-44-SEC-K9
The SL-44-SEC-K9 license is designed specifically for the Cisco FirePOWER 4100 Series, enabling advanced threat prevention and complete network visibility.
Supported Hardware Models:
- Cisco FirePOWER 4140 NGFW Appliance - High-performance firewall supporting scalable protection and deep packet inspection.
- Cisco FirePOWER 4150 NGFW Appliance - Enterprise-grade firewall built for large-scale and data-center-level security.
Supported Software & Environments:
- Cisco FirePOWER Threat Defense (FTD)
- Cisco FirePOWER Management Center (FMC)
- Cisco Advanced Malware Protection (AMP)
- Cisco Application Visibility and Control (AVC)
- Windows Server (2016 / 2019 / 2022)
- Red Hat Enterprise Linux (RHEL)
- VMware ESXi / vSphere
The Cisco SL-44-SEC-K9 License delivers full next-generation security for FirePOWER 4100 appliances, providing real-time threat defense, deeper inspection, and intelligent visibility for enterprise-class networks.
SL-44-SEC-K9 price is $1,043.00, a 77.9% saving from the Cisco list price of $4,719.00. SL-44-SEC-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SL-44-SEC-K9 for additional pricing. Browse the full Cisco Isr 4000 Licenses series or explore all Cisco products.
SL-44-SEC-K9 Specifications
- Product Type
- Software License
- Software Category
- Security
- License Type
- Subscription
- License Duration
- 1 Year
- Use Case
- Enterprise
- User Count
- N/A
- Device Count
- 1 Device
- Platform Compatibility
- Cross-Platform
- Delivery Method
- Digital Key
- Activation Type
- Online Activation
- Language Support
- Multilingual
- Bit Version
- 64-bit
- Cloud Integration
- N/A
- Software Format
- Downloadable
- Support Included
- Yes
- Product Name
- SL-44-SEC-K9-SECURITY LICS FOR ISR 4400 SERIES
- License Key Included
- Yes
- ESD (Electronic Software Delivery)
- Yes
- Renewable
- Yes
- Compliance Certifications
- N/A
- Product Region
- Global
SL-44-SEC-K9 Use Case
Encrypted Site-to-Site VPN for Multinational Branch Networks
In a global enterprise with distributed branch offices, the SL-44-SEC-K9-SECURITY license on ISR 4400 Series routers enables AES-256 site-to-site VPN tunnels with hardware-accelerated encryption. IT teams configure secure IPSec channels across international borders, ensuring compliance with data sovereignty laws and maintaining sub-millisecond latency for voice, video, and critical ERP traffic. Benefit: Guarantees end-to-end confidentiality, simplifies centralized policy management, and delivers up to 10× faster throughput compared to software-only encryption.
Next-Gen Firewall Segmentation in Hybrid Data Centers
A financial services firm deploys the SL-44-SEC-K9-SECURITY license to activate Cisco Embedded Zone-Based Firewall on ISR 4400 Series at its hybrid cloud edge. The team defines granular trust zones and enforces application-layer policies for database, middleware, and front-end tiers, preventing east-west lateral movement of threats. Benefit: Achieves PCI DSS compliance, reduces breach risk by 90%, and automates security posture updates through integrated Cisco Defense Orchestrator.
Zero-Touch Secure SD-WAN for Remote Workforce
A nationwide retailer leverages the SL-44-SEC-K9-SECURITY license to enable secure SD-WAN overlay on ISR 4400 Series routers in pop-up stores and remote kiosks. With Cisco vManage templates and zero-touch provisioning, branch devices onboard automatically, establish encrypted mTLS tunnels to regional hubs, and apply consistent unified threat defense. Benefit: Cuts deployment time by 75%, enforces corporate security policies at scale, and delivers a 40% reduction in bandwidth costs through dynamic path selection.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| SL-44-SEC-K9 |  L-SL-4350-APP-K9= |  SL-4220-SEC-K9= |  FL-4350-PERF-K9 |  FL-4430-BOOST-K9 | |
|---|---|---|---|---|---|
| Activation Type | Online Activation | Online Activation | Online Activation | Online Activation | Online Activation |
| Bit Version | 64-bit | N/A | N/A | N/A | N/A |
| Cloud Integration | N/A | N/A | N/A | N/A | N/A |
| Compliance Certifications | N/A | N/A | ISO 27001 | N/A | N/A |
| Delivery Method | Digital Key | Digital Key | Digital Key | Digital Key | Digital Key |
| Device Count | 1 Device | N/A | 1 Device | 1 Device | 1 Device |
| ESD (Electronic Software Delivery) | Yes | Yes | Yes | Yes | Yes |
| Language Support | Multilingual | English | English | English | English |
| License Duration | 1 Year | Lifetime | 1 Year | Lifetime | Lifetime |
| License Key Included | Yes | Yes | Yes | Yes | Yes |
| License Type | Subscription | Volume | Subscription | Perpetual | Perpetual |
| Platform Compatibility | Cross-Platform | Cross-Platform | N/A | Cross-Platform | N/A |
| Product Name | SL-44-SEC-K9-SECURITY LICS FOR ISR 4400 SERIES | L-SL-4350-APP-K9=-APPX LICENSE WITH 1300 CONNS/ISRWAAS OR VWAAS | SL-4220-SEC-K9=-Security License for Cisco ISR 4220 Series | FL-4350-PERF-K9 | FL-4430-BOOST-K9-Booster Performance License for Cisco 4430 Series Routers |
| Product Region | Global | Global | Global | Global | Global |
| Product Type | Software License | Software License | Software License | Software License | Software License |
| Renewable | Yes | N/A | Yes | No | N/A |
| Software Category | Security | Network Management | Security | Network Management | Network Management |
| Software Format | Downloadable | Downloadable | Downloadable | Downloadable | Downloadable |
| Support Included | Yes | Vendor Support Required | Vendor Support Required | Vendor Support Required | Yes |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| User Count | N/A | N/A | N/A | N/A | N/A |
Reviews & Ratings
I
Isabella Ward
5
Professional-grade B2B usability and predictable security performance.
L
Lucas Reed
4
Smooth activation and minimal setup effort.
C
Charlotte Fox
5
Reliable operations for enterprise-grade security.
H
Henry Parker
4
Stable protection with predictable results.
Questions & Answers
What is the Cisco SL-44-SEC-K9 license for ISR 4400 Series?
The SL-44-SEC-K9 is a security feature license for Cisco ISR 4400 routers, unlocking advanced threat protection, firewall, VPN encryption, and secure connectivity capabilities.
Which security features does SL-44-SEC-K9 enable on ISR 4400 Series?
It enables Next-Generation Firewall, Secure VPN (IPsec/SSL), Advanced Malware Protection (AMP), URL filtering, and intrusion prevention (IPS) on ISR 4400 platforms.
How do I activate the SL-44-SEC-K9 license on my router?
Use Cisco Smart Licensing: register your router on Cisco Smart Software Manager, apply the license token in CLI with ‘license smart register’, then enable features under the security license.
Is SL-44-SEC-K9 compatible with all ISR 4400 models?
Yes. The SL-44-SEC-K9 license supports all Cisco ISR 4400 Series models, including 4431, 4451, and 4461, provided the router OS meets the minimum IOS XE release requirements.
Can I upgrade from a base license to SL-44-SEC-K9?
Absolutely. You can purchase the SL-44-SEC-K9 upgrade key and apply it via Smart Licensing to transition from the base security feature set to the full security license.
How do I verify that SL-44-SEC-K9 is installed and active?
Run ‘show license summary’ or ‘show platform hardware throughput level’ in the CLI. The SL-44-SEC-K9 entry should show ‘IN USE’ and list enabled security features.
What IOS XE version is required for SL-44-SEC-K9?
Cisco recommends IOS XE 16.9.x or later for full SL-44-SEC-K9 feature support. Always verify release notes for any feature-specific dependencies.
Does SL-44-SEC-K9 support encrypted VPN tunnels?
Yes. The license provides AES-GCM and AES-CBC encryption for IPsec and SSL VPNs, ensuring high-performance, secure site-to-site and remote-access tunnels.
What is the difference between SL-44-SEC-K9 and enterprise licenses?
SL-44-SEC-K9 specifically unlocks security services on ISR 4400 routers, whereas enterprise licenses may cover additional features like advanced routing, virtualization, or analytics beyond security.
Can I transfer SL-44-SEC-K9 between devices?
Yes, under Cisco’s Smart Licensing, you may de-register a license from one ISR 4400 and re-register it on another compatible device, subject to your contract terms.
Do I need a subscription for security signature updates?
Yes. To receive continuous IPS and AMP signature updates, you must maintain an active Cisco Security Subscription for the SL-44-SEC-K9 license.
How long does it take to provision SL-44-SEC-K9?
Provisioning typically completes within minutes after Smart Licensing registration, provided network connectivity to Cisco Smart Software Manager is available.
Where can I purchase the SL-44-SEC-K9 license?
You can order through authorized Cisco partners, distributors, or the Cisco Commerce Workspace. Provide SKU SL-44-SEC-K9 to ensure correct licensing.
What support options are available for SL-44-SEC-K9?
Cisco provides 24/7 Technical Assistance Center (TAC) support, online documentation, software updates, and security advisories under your active maintenance contract.
Can SL-44-SEC-K9 be used in high‐availability deployments?
Yes. The license supports active/standby and stateful-switchover configurations on ISR 4400 routers, ensuring seamless security failover.
What are the system requirements for SL-44-SEC-K9?
Ensure your ISR 4400 has sufficient DRAM (minimum 4 GB), flash storage (minimum 4 GB), and is running a supported IOS XE release to deploy SL-44-SEC-K9.