# CSS for IIS vs Kaspersky Next XDR Optimum: side-by-side comparison (2026) [CSS for IIS](https://cybersectools.com/tools/css-for-iis) is a commercial [workload protection](https://cybersectools.com/categories/workload-protection) solution by [CalCom Software](https://cybersectools.com/companies/calcom-software). [Kaspersky Next XDR Optimum](https://cybersectools.com/tools/kaspersky-next-xdr-optimum) is a commercial [extended detection and response](https://cybersectools.com/categories/xdr) solution by [Kaspersky](https://cybersectools.com/companies/kaspersky). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | CSS for IIS | Kaspersky Next XDR Optimum | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Workload Protection | Extended Detection and Response | | Verified | No | No | | Deployment type | On-Premises | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market | | Company | CalCom Software | Kaspersky | | Headquarters | – | – | ### Use cases and capabilities | | CSS for IIS | Kaspersky Next XDR Optimum | |---|---|---| | Security Hardening | Yes | Yes | | Configuration Management | Yes | – | | Microsoft | Yes | – | | Policy | Yes | – | | Security Configuration | Yes | – | | Benchmark | Yes | – | | Windows Security | Yes | – | | Ransomware Prevention | – | Yes | | Anomaly Detection | – | Yes | | Active Directory | – | Yes | | Microsoft 365 | – | Yes | | Patch Management | – | Yes | | Sandbox | – | Yes | | Alerting | – | Yes | | Cloud Native | – | Yes | | Vulnerability | – | Yes | ### Core features **CSS for IIS** 10 features listed. Sign in on the page to see them. **Kaspersky Next XDR Optimum** 10 features listed. Sign in on the page to see them. ### Integrations **CSS for IIS** 2 integrations listed. Sign in on the page to see them. **Kaspersky Next XDR Optimum** 3 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [CSS for IIS](https://cybersectools.com/tools/css-for-iis) fits if you need to run it on your own servers and you are an enterprise. - [Kaspersky Next XDR Optimum](https://cybersectools.com/tools/kaspersky-next-xdr-optimum) fits if you want a cloud product. ## CSS for IIS vs Kaspersky Next XDR Optimum FAQ Common questions when comparing CSS for IIS vs Kaspersky Next XDR Optimum for workload protection. ### What is the difference between CSS for IIS and Kaspersky Next XDR Optimum? **CSS for IIS**: Automated hardening and compliance management tool for Microsoft IIS servers, built by CalCom Software. **Kaspersky Next XDR Optimum**: XDR platform for SMBs with endpoint protection, cloud sandbox & AD integration, built by Kaspersky. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes CSS for IIS and Kaspersky Next XDR Optimum? **CSS for IIS** is made by CalCom Software. **Kaspersky Next XDR Optimum** is made by Kaspersky. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is CSS for IIS a good alternative to Kaspersky Next XDR Optimum? In part. CSS for IIS and Kaspersky Next XDR Optimum are not in the same category on CybersecTools. Both cover Security Hardening. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [CSS for IIS vs ESET Server Security](https://cybersectools.com/compare/css-for-iis-vs-eset-server-security) - [CSS for IIS vs CalCom Hardening Suite (CHS)](https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-css-for-iis) - [CSS for IIS vs CimTrak CCR](https://cybersectools.com/compare/cimtrak-ccr-vs-css-for-iis) - [Kaspersky Next XDR Optimum vs ESET Server Security](https://cybersectools.com/compare/eset-server-security-vs-kaspersky-next-xdr-optimum) - [Kaspersky Next XDR Optimum vs CalCom Hardening Suite (CHS)](https://cybersectools.com/compare/calcom-hardening-suite-chs-vs-kaspersky-next-xdr-optimum) - [Kaspersky Next XDR Optimum vs CimTrak CCR](https://cybersectools.com/compare/cimtrak-ccr-vs-kaspersky-next-xdr-optimum) ## Alternatives to each - [See all CSS for IIS alternatives](https://cybersectools.com/alternatives/css-for-iis) - [See all Kaspersky Next XDR Optimum alternatives](https://cybersectools.com/alternatives/kaspersky-next-xdr-optimum) --- Source: https://cybersectools.com/compare/css-for-iis-vs-kaspersky-next-xdr-optimum For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/css-for-iis.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on CSS for IIS and Kaspersky Next XDR Optimum: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md