Cisco Identity Services Engine VS Zscaler
As of 2 November 2026, Zscaler is named by 323 companies and Cisco Identity Services Engine by 381; Cisco Identity Services Engine skews to companies under 200 people (27% vs 21%), Zscaler to companies over 1,000 (53% vs 51%).
As of 2 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Cisco Identity Services Engine's script and mail records show on hundreds of thousands of small sites, Zscaler rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Cisco Identity Services Engine: 2–200 employees
- 27%
- Zscaler: 2–200 employees
- 21%
- Cisco Identity Services Engine: 1,000+ employees
- 51%
- Zscaler: 1,000+ employees
- 53%
- Postings per company, 90 days
- 3.6 · 3.9
- Website or DNS footprint
- 0 · 3,120
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Cisco Identity Services Engine | share | Zscaler | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 3 | 1% | 2 | 1% | even |
| 2-10 employees | 13 | 3% | 10 | 3% | even |
| 11-50 employees | 33 | 9% | 18 | 6% | Cisco Identity Services Engine |
| 51-200 employees | 58 | 15% | 41 | 13% | Cisco Identity Services Engine |
| 201-500 employees | 40 | 10% | 47 | 15% | Zscaler |
| 501-1000 employees | 39 | 10% | 35 | 11% | even |
| 1001-5000 employees | 68 | 18% | 69 | 21% | Zscaler |
| 5001-10000 employees | 30 | 8% | 30 | 9% | even |
| 10,001+ employees | 97 | 25% | 71 | 22% | Cisco Identity Services Engine |
| Segment | Cisco Identity Services Engine | share | Zscaler | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 153 | 40% | 112 | 35% | Cisco Identity Services Engine |
| Manufacturing & industry | 71 | 19% | 53 | 16% | Cisco Identity Services Engine |
| Business & finance services | 65 | 17% | 79 | 24% | Zscaler |
| Utilities & infrastructure | 26 | 7% | 19 | 6% | even |
| Health care | 12 | 3% | 6 | 2% | even |
| Commerce & trade | 9 | 2% | 17 | 5% | Zscaler |
| Public, community & associations | 9 | 2% | 4 | 1% | even |
| Automotive | 8 | 2% | – | – | outside top 12 |
| Media & content | 8 | 2% | 7 | 2% | even |
| Consumer services & leisure | 7 | 2% | 7 | 2% | even |
| Property & construction | 6 | 2% | 6 | 2% | even |
| Transport, logistics & rental | 5 | 1% | 6 | 2% | even |
| Hospitality & travel | – | – | 4 | 1% | outside top 12 |
| Segment | Cisco Identity Services Engine | share | Zscaler | share | Leans |
|---|---|---|---|---|---|
| United States | 241 | 63% | 214 | 66% | Zscaler |
| United Kingdom | 22 | 6% | 24 | 7% | even |
| Germany | 19 | 5% | 9 | 3% | Cisco Identity Services Engine |
| Canada | 12 | 3% | 14 | 4% | even |
| France | 9 | 2% | 9 | 3% | even |
| Australia | 8 | 2% | 9 | 3% | even |
| India | 8 | 2% | 5 | 2% | even |
| Belgium | 6 | 2% | 4 | 1% | even |
| Switzerland | 5 | 1% | – | – | outside top 12 |
| Denmark | 5 | 1% | – | – | outside top 12 |
| Czechia | 4 | 1% | – | – | outside top 12 |
| Italy | 4 | 1% | – | – | outside top 12 |
| Brazil | – | – | 5 | 2% | outside top 12 |
| Ireland | – | – | 3 | 1% | outside top 12 |
| Japan | – | – | 3 | 1% | outside top 12 |
| Singapore | – | – | 3 | 1% | outside top 12 |
| Segment | Cisco Identity Services Engine | share | Zscaler | share | Leans |
|---|---|---|---|---|---|
| IT operations & business systems | 1,359 | 79% | 1,058 | 68% | Cisco Identity Services Engine |
| Engineering (non-software) | 69 | 4% | 5 | 0% | Cisco Identity Services Engine |
| Sales | 44 | 3% | 122 | 8% | Zscaler |
| Software engineering | 28 | 2% | 47 | 3% | even |
| Customer service & success | 12 | 1% | 42 | 3% | Zscaler |
| Data & AI | 12 | 1% | 7 | 0% | even |
| Product, program & project management | 12 | 1% | 34 | 2% | even |
| Quality, safety & environment | 5 | 0% | 1 | 0% | even |
| Skilled trades and field service | 4 | 0% | – | – | outside top 12 |
| General management & consulting | 3 | 0% | 17 | 1% | even |
| Manufacturing and production | 3 | 0% | – | – | outside top 12 |
| Unclassified | 3 | 0% | 4 | 0% | even |
| Construction and civil | 2 | 0% | 1 | 0% | even |
| Facilities cleaning and security | 2 | 0% | – | – | outside top 12 |
| Marketing & communications | 2 | 0% | 3 | 0% | even |
| Research and science | 2 | 0% | – | – | outside top 12 |
| Design & UX | 1 | 0% | 1 | 0% | even |
| Public safety and protective services | 1 | 0% | – | – | outside top 12 |
| Business development & strategy | – | – | 6 | 0% | outside top 12 |
| Administration & office | – | – | 3 | 0% | outside top 12 |
| Human resources | – | – | 3 | 0% | outside top 12 |
| Education & training | – | – | 1 | 0% | outside top 12 |
| Finance & accounting | – | – | 1 | 0% | outside top 12 |
| Healthcare clinical | – | – | 1 | 0% | outside top 12 |
| Hospitality and food service | – | – | 1 | 0% | outside top 12 |
| Legal, compliance & risk | – | – | 1 | 0% | outside top 12 |
| Retail & store operations | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Cisco Identity Services Engine →
Companies using Zscaler →
network security zero trust ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Zscaler is named by 323 companies in job postings and Cisco Identity Services Engine by 381; 57 name both. (Breaknorm, 2 November 2026, https://breaknorm.co/compare/cisco-ise-vs-zscaler)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Cisco Identity Services Engine vs Zscaler: questions
Which is more used, Cisco Identity Services Engine or Zscaler?
By companies naming it in their own job postings, Cisco Identity Services Engine (381) over Zscaler (323). By website-and-DNS footprint, Zscaler (3,120 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Cisco Identity Services Engine?
27% of Cisco Identity Services Engine companies have 2 to 200 employees, against 21% for Zscaler. 51% of Cisco Identity Services Engine companies have over 1,000 employees, against 53% for Zscaler.
Do companies run both?
57 companies name both in their postings, usually Cisco Identity Services Engine in marketing and Zscaler in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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