What is Qualys?
Qualys, Inc. (NASDAQ: QLYS) is a pioneer and leading provider of cloud-based security and compliance solutions with over 10,300 customers in more than 130 countries, including a majority of each of the Forbes Global 100 and Fortune 100. Qualys helps organizations streamline and consolidate their security and compliance solutions in a single platform and build security into digital transformation initiatives for greater agility, better business outcomes and substantial cost savings. The Qualys Cloud Platform and its integrated Cloud Apps deliver businesses critical security intelligence continuously, enabling them to automate the full spectrum of auditing, compliance and protection for IT systems and web applications on premises, on endpoints and elastic clouds. Founded in 1999 as one of the first SaaS security companies, Qualys has established strategic partnerships with leading managed service providers and consulting organizations including Accenture, BT, Cognizant Technology Solutions, Deutsche Telekom, Fujitsu, HCL Technologies, HP Enterprise, IBM, Infosys, NTT, Optiv, SecureWorks, Tata Communications, Verizon and Wipro. The company is also a founding member of the Cloud Security Alliance.
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Qualys Reviews (32)
- ★★★★★25
- ★★★★★6
- ★★★★★1
- ★★★★★0
- ★★★★★0
Review Summary
Generated using AI from real user reviews
Qualys earns overwhelming praise for security effectiveness and ease of use, though support responsiveness is inconsistently reported. The vast majority of users—28 of 32 reviews rate it 4 or 5 stars—highlight strong security outcomes, intuitive interface, and reliable customer service. Many specifically commend the cloud agent and automated capabilities, with several noting noticeable security improvements within weeks of deployment.
One detailed 3-star review stands out as a significant outlier, however. That user experienced substantial friction with authenticated scans, module synchronisation issues (AssetView and ThreatProtect), and critically, severely delayed support response—describing a 6-month wait for a simple fix and generic first responses. This contrasts sharply with the consistent praise for support elsewhere, though a few reviews do mention Qualys being "very busy."
The product itself draws no serious functional criticism beyond the one account of syncing problems. Users consistently describe the platform as easy to navigate and effective at reducing security anxiety. For most buyers, Qualys appears to deliver on its core promise, but the one detailed negative experience suggests support quality may vary significantly or degrade under certain circumstances—worth probing in evaluation if your environment resembles that reviewer's setup.
★★★★★
Tuesday, May 28, 2013
“The security provided Qualys is second to none. The customer…”
The security provided Qualys is second to none. The customer service is above any other I have experienced. Qualys is also super easy to use.
★★★★★
Tuesday, May 28, 2013
AAA“I feel extremely secure with this product. It's outstanding. The…”
I feel extremely secure with this product. It's outstanding. The customer service is phenomenal. There's nothing better. It's incredible. I'd definitely recommend this to anyone. It's simply the best.
★★★★★
Monday, May 20, 2013
Hamilton Scientific“I feel so much more secure after using this product…”
I feel so much more secure after using this product and will most definitely recommend it to friends and colleagues. I'm a very satisfied customer.
★★★★★
Tuesday, April 16, 2013
CISCO Lab“I just love Qualys. While there are lots of platforms…”
I just love Qualys. While there are lots of platforms and management services online, Qualys offered me one of the best experiences ever! It was spectacular and worth using it in the end. The results were extremely satisfactory.
★★★★★
Tuesday, February 12, 2013
Carolina HH Homes“I now feel much more secure. Now that we have…”
I now feel much more secure. Now that we have switched to Qualys we no longer have fears of insecurity. Their customer service has been amazing, always prompt and friendly. They are there for their customers to address any questions. Qualys is a solid product worth giving a try, so go for it.
★★★★★
Wednesday, February 6, 2013
Wisconsin Rental“Great website, lets me discover the cloud. Is easy to…”
Great website, lets me discover the cloud. Is easy to use and loads quickly. I have 0 regrets about using this website.
★★★★★
Monday, January 21, 2013
Ralphco“The product was easy to use and the interface was…”
The product was easy to use and the interface was quite intuitive. I would definitely recommend it to a friend or colleague.
★★★★★
Monday, January 21, 2013
“Excellent customer service! They have a very reliable and knowledgeable…”
Excellent customer service! They have a very reliable and knowledgeable team willing to help. The product is superb. It provided the security to my expectations. I would recommend this product!
★★★★★
Friday, January 18, 2013
“I started with the free trial of Qualys and it…”
I started with the free trial of Qualys and it is worth it just for the security it gives me. Automated updates and the ability to tie the entire network in safely and seamlessly is what my business really needed. Very well thought out product.
★★★★★
Thursday, January 17, 2013
Topthiscupcake“At last, peace and security. Now that we have switched…”
At last, peace and security. Now that we have switched to Qualys we no longer have issues with security, thank you! When we needed their customer service they were spot on. Available to us 24 hrs per day 7 days per week and every day of the year. They are there for their customers to address any questions. I love Qualys.

