Brandwave

Vulnerability scanning tools:Which brands are most popular in search?

In August 2026, Tenable was the most searched among vulnerability scanning tools worldwide, with an estimated 64.4K branded searches and 31.4% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.

Share of Search, August 2026
  1. Tenable31.4%
  2. Qualys26.2%
  3. Greenbone20.4%
  4. Rapid717.2%
  5. Acunetix4.8%

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Share of SearchLeaderboard

Compare the tools that scan systems for weaknesses. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

Share of Search among vulnerability scanning tools worldwide, by month

Share of Search by month for Tenable, Qualys, Greenbone, Rapid7, Acunetix. The figures are in the table below the chart.

View monthly share of search table
MonthTenableQualysGreenboneRapid7Acunetix
Oct 202532.5%19.6%26.9%15.7%5.3%
Nov 202533.9%20.7%23.4%16.4%5.6%
Dec 202532.5%19.7%26.9%15.6%5.3%
Jan 202632.2%18.8%25.7%18.1%5.1%
Feb 202631.6%22.4%23.3%17.8%5%
Mar 202632.3%22.8%21.9%18%5%
Apr 202633.5%23.2%22.7%15.4%5.2%
May 202636.3%20.9%21.7%16.5%4.6%
Jun 202631.8%25.8%20.6%17.1%4.7%
Jul 202631.7%25.1%21.8%16.7%4.6%
Aug 202631.4%26.2%20.4%17.2%4.8%
Sep 2026—————

This month’s ranking, August 2026

  1. 1.Tenable

    31.4%

    Held 1st. 64.4K estimated branded searches, -5.1% vs prior month. Share -0.3 points.

  2. 2.Qualys

    26.2%

    Held 2nd. 53.6K estimated branded searches, -0.33% vs prior month. Share +1 points.

  3. 3.Greenbone

    20.4%

    Held 3rd. 41.8K estimated branded searches, -10.6% vs prior month. Share -1.4 points.

  4. 4.Rapid7

    17.2%

    Held 4th. 35.2K estimated branded searches, -1.6% vs prior month. Share +0.5 points.

  5. 5.Acunetix

    4.8%

    Held 5th. 9.9K estimated branded searches, 0% vs prior month. Share +0.2 points.

Compare search popularity between leading brands

Which brand is most popular in search among vulnerability scanning tools worldwide?

In August 2026, Tenable was the most searched among vulnerability scanning tools worldwide, with an estimated 64.4K branded searches and 31.4% estimated Share of Search within this set. Qualys is in 2nd place, 5.3 percentage points behind at 26.2% Share of Search.

Global vulnerability scanning tools, last 12 months ending September 2026
BrandShare of SearchPeakLowRank
Tenable32.5% → 31.4%36.3%May 202631.4%Aug 20261st
Qualys19.6% → 26.2%26.2%Aug 202618.8%Jan 20263rd → 2nd
Greenbone26.9% → 20.4%26.9%Oct 202520.4%Aug 20262nd → 3rd
Rapid715.7% → 17.2%18.1%Jan 202615.4%Apr 20264th
Acunetix5.3% → 4.8%5.6%Nov 20254.6%May 20265th

Each finding as a sentence

  • Across the 11 months ending August 2026, Tenable’s estimated Share of Search among vulnerability scanning tools worldwide decreased from 32.5% to 31.4%.
  • Across the 11 months ending August 2026, Qualys’ estimated Share of Search among vulnerability scanning tools worldwide increased from 19.6% to 26.2%.
  • Across the 11 months ending August 2026, Greenbone’s estimated Share of Search among vulnerability scanning tools worldwide decreased from 26.9% to 20.4%.
  • Across the 11 months ending August 2026, Rapid7’s estimated Share of Search among vulnerability scanning tools worldwide increased from 15.7% to 17.2%.
  • Across the 11 months ending August 2026, Tenable’s estimated Share of Search among vulnerability scanning tools worldwide peaked at 36.3% in May 2026 and was lowest at 31.4% in August 2026.
  • Across the 11 months ending August 2026, Qualys’ estimated Share of Search among vulnerability scanning tools worldwide peaked at 26.2% in August 2026 and was lowest at 18.8% in January 2026.
  • Across the 11 months ending August 2026, Rapid7’s estimated Share of Search among vulnerability scanning tools worldwide peaked at 18.1% in January 2026 and was lowest at 15.4% in April 2026.
  • Across the 11 months ending August 2026, Qualys rose from 3rd to 2nd among vulnerability scanning tools worldwide.
  • Across the 11 months ending August 2026, Greenbone fell from 2nd to 3rd among vulnerability scanning tools worldwide.
  • Across the 11 months ending August 2026, Acunetix held steady: its estimated Share of Search among vulnerability scanning tools worldwide moved less than 0.5 percentage points.

How did search popularity change for vulnerability scanning tools worldwide in August 2026?

  1. In August 2026, Qualys gained estimated Share of Search among vulnerability scanning tools worldwide, from 25.1% to 26.2%.

  2. In August 2026, Greenbone lost estimated Share of Search among vulnerability scanning tools worldwide, from 21.8% to 20.4%.

  3. Tenable’s estimated Share of Search among vulnerability scanning tools worldwide has lost ground for 3 months in a row, from 36.3% to 31.4% in August 2026.

  4. Estimated monthly branded searches for Acunetix worldwide fell 33.1% over 11 measured months, from 14.8K to 9.9K in August 2026.

  5. Estimated monthly branded searches for Rapid7 worldwide fell 19.6% over 11 measured months, from 43.8K to 35.2K in August 2026.

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