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Nessus VS Shieldly

Compare Nessus VS Shieldly and see what are their differences

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Nessus logo Nessus

Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.

Shieldly logo Shieldly

AI-Powered analysis of AWS IAM policies and CloudFormation templates. Catch overly-permissive access and privilege escalation paths in seconds.
  • Nessus Landing page
    Landing page //
    2023-09-21
Not present

Shieldly is an AI-powered security analysis platform for AWS. It analyzes IAM policies, resource-based policies, CloudFormation templates, and AWS costs — surfacing over-privileged roles, privilege escalation paths, unused permissions, and security misconfigurations with plain-English explanations and prioritized remediation steps.

Key features: - IAM policy analysis: wildcards, unscoped trust policies, PassRole chains, overly-broad resource blocks - CloudFormation security scanning: misconfigured S3 buckets, open security groups, unencrypted resources - AWS cost analysis: unused resources, rightsizing opportunities, savings plan recommendations - AI-powered findings in plain English — not raw JSON output - No AWS credentials required for demo (paste-and-analyze)

Ships as: - Web app at shieldly.io (free tier available) - CLI: npm install -g @shieldly/cli - VS Code extension (search "Shieldly" in marketplace) - GitHub Action for CI/CD pipeline security gates - CDK Guard construct (@shieldly/cdk-guard) for inline CDK security checks

Pricing: - Free: 20 analyses u/day, no credit card - Pro: $19/mo — 500 analyses/day, CLI + GitHub Action + VS Code - Team: $49/mo — Advanced AI, 2000 analyses/day, auto-scanning - Launch offer: code 90Off2M for 90% off first 2 months

Nessus

Website
tenable.com
Pricing URL
-
$ Details
-
Release Date
-
Edit details

Shieldly

Website
shieldly.io
Pricing URL
Official Shieldly Pricing
$ Details
freemium $19 / Monthly (Pro plan)
Release Date
2026 April
Startup details
Country
United States
State
VA
City
HERNDON
Founder(s)
Jeff Tham
Employees
1 - 9
Edit details

Nessus features and specs

  • Comprehensive Vulnerability Coverage
    Nessus offers an extensive database of vulnerabilities, allowing it to identify a wide array of security issues across different environments, including networks, operating systems, applications, and devices.
  • Regular Updates
    Nessus regularly updates its plugin library to include the latest vulnerabilities, ensuring that it can detect new threats as they emerge.
  • User-Friendly Interface
    The Nessus interface is designed to be intuitive and user-friendly, making it accessible for users of varying technical expertise.
  • Customizable Scans
    Nessus allows users to customize scans to focus on specific areas, devices, or types of vulnerabilities, providing greater flexibility and precision.
  • Extensive Reporting and Analytics
    Nessus offers detailed reporting and analytics capabilities, helping users understand the state of their security posture and prioritize remediation efforts.
  • Automation Capabilities
    Nessus supports the automation of scanning and reporting processes, which helps maintain ongoing security assessments without requiring constant manual intervention.
  • Integration with Other Tools
    Nessus integrates well with other security tools and systems, such as SIEMs, making it a versatile component of a broader security ecosystem.

Possible disadvantages of Nessus

  • Cost
    Nessus can be expensive, particularly for smaller organizations or those with limited budgets, as licensing fees can add up based on the number of assets being scanned.
  • Resource Intensive
    Nessus scans can be resource-intensive, potentially impacting network performance and requiring significant computational resources to conduct thorough assessments.
  • False Positives
    Like many vulnerability scanners, Nessus may sometimes produce false positives, which can lead to unnecessary remediation efforts and wasted resources.
  • Learning Curve
    Despite its user-friendly interface, fully leveraging all of Nessus's advanced features and capabilities can require a significant learning curve.
  • Limited Free Version
    The free version of Nessus, Nessus Essentials, is limited in its capabilities and is intended for individual use or small networks, which may not be sufficient for larger organizations.
  • Potential Over-Reliance
    Organizations might become overly reliant on Nessus for vulnerability management, potentially neglecting other important aspects of a comprehensive security strategy.

Shieldly features and specs

  • IAM Policy Analysis
    Wildcards, trust policies, PassRole chains, privilege escalation paths
  • CloudFormation Scanning
    Misconfigured S3, open security groups, unencrypted resources
  • AWS Cost Analysis
    Unused resources, rightsizing, savings plan recommendations
  • Plain-English Findings
    AI-powered explanations with prioritized remediation steps
  • No Credentials Required
    Paste-and-analyze demo — no AWS access needed to get started
  • Multi-Platform
    Web, CLI, VS Code extension, GitHub Action, CDK Guard construct

Analysis of Shieldly

Overall verdict

  • Shieldly.io appears to be a warranty/insurance-related service, but detailed, verified information about its reliability, pricing, and customer satisfaction is limited from publicly available sources. Prospective users should conduct thorough due diligence before committing.

Why this product is good

  • May offer extended warranty or protection plans for products, which can provide peace of mind for certain purchases
  • Digital-first platform could mean streamlined sign-up and claims processes compared to traditional insurers
  • Potentially competitive pricing structure aimed at online shoppers or e-commerce customers
  • Convenience of managing coverage online without needing to visit a physical office

Recommended for

  • Online shoppers looking for added protection on purchases
  • Consumers who prefer digital-first insurance or warranty management
  • Individuals seeking alternatives to traditional in-store extended warranty offers
  • Those who have researched and confirmed the company's legitimacy and reviews independently before purchasing

Nessus videos

+ Add

LABS 17 Vulnerability Analysis Using the Nessus REVIEW

More videos:

  • Review - What is Nessus? | Explaining vulnerabilities in a Web Application
  • Review - Getting Started with Nessus Vulnerability Scanner - 2018

Shieldly videos

No Shieldly videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Nessus and Shieldly)

Nessus

Shieldly

Security
100 100%
Security
0% 0
Cloud Infrastructure
0 0%
Cloud Infrastructure
100% 100
Web Application Security
100 100%
Web Application Security
0% 0
Cyber Security
94 94%
Cyber Security
6% 6

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Nessus and Shieldly

Nessus Reviews

Best Burp Suite Alternatives (Free and Paid) for 2023
The main functions of Nessus are asset discovery, web scanning, prioritization, policy management, and vulnerability assessment. It enables organizations to tailor scans based on individual preferences, ensuring compliance with Center for Internet Security (CIS) benchmarks and other top-notch practices. Security teams can generate reports on various vulnerability types,...
Source: www.softwaretestingmaterial.com
Burp suite alternatives
Nessus is the best alternative choice for burp suite. It is a popular vulnerability scanner software. It can scan a wide range of technologies including operating systems, databases, network devices, web servers, hypervisors, and critical infrastructures. The output of the scan can vary in various formats such as plain text, XML, Latex, and HTML. Nessus provides additional...
Source: www.educba.com
10 Best Tenable Nessus Alternatives For 2021 [Updated List]
Answer: Nessus features a wide product line that includes the Nessus Cloud, Nessus Manager which is suitable for vulnerability management on-premises, Nessus Professional runs scans on client devices, such as a laptop. There is also Nessus Essentials, which is a free version of the tool that caters to general consumers.
Source: www.softwaretestinghelp.com
Best Nessus Alternatives (Free and Paid) for 2021
Built for security practitioners by security professionals, Nessus Professional is the de-facto industry standard for vulnerability assessment. It was built by Tenable Network Security. Nessus performs point-in-time assessments to help security professionals quickly and easily identify and fix vulnerabilities, including software flaws, missing patches, malware, and...
Source: www.softwaretestingmaterial.com
16 Tresorit Alternatives
Nessus is a flexible and straightforward remote security scanning tool that effectively scans a computer and gives an alert when it discovers some issues. The software is pro-efficiently discovers vulnerabilities that hackers could access your operating system via a connected network. Nessus is the name of pride in delivering services that are always up to the mark. Nessus...
Source: www.topbestalternatives.com

Shieldly Reviews

We have no reviews of Shieldly yet.
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What are some alternatives?

When comparing Nessus and Shieldly, you can also consider the following products

Qualys - Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.

Prowler.io - The world's first principled AI decision-making platform

Intruder - Intruder is a security monitoring platform for internet-facing systems.

AWS Security Hub - AWS Security Hub for Amazon Web Services (AWS)

Burp Suite - Burp Suite is an integrated platform for performing security testing of web applications.

Acunetix - Audit your website security and web applications for SQL injection, Cross site scripting and other...

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