Bitdefender vs Splunk vs KnowBe4 vs Proofpoint: Which Cyber Security tool is Best in 2025?

All these tools Bitdefender , Splunk , KnowBe4 , Proofpoint offer flexible pricing models suitable for IT security professionals, network administrators seeking AI-powered solutions to enhance their Cyber Security efforts.

Bitdefender

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Pricing Model:
  • Price (1st Year) - Starts at $29.99 (1 Device)

Splunk

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Pricing Model:
  • Price - Contact

KnowBe4

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Pricing Model:
  • Price - Contact Sales

Proofpoint

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Pricing Model:
  • Price - Contact Sales

These AI tools are among the best Cyber Security tools available in 2025. For IT security professionals, network administrators, tools like Bitdefender , Splunk , KnowBe4 , Proofpoint help streamline the Cyber Security process by offering AI-powered features.

What is Bitdefender?

Bitdefender Cybersecurity keeps your devices safe with real-time protection, a bitdefender free trial, and bitdefender antivirus for mac—perfect for worry-free browsing and family safety.

What is Splunk?

Splunk, a Cisco company, empowers organizations to thrive in the digital age with its cutting-edge cybersecurity and observability platform. By harnessing AI and real-time data analytics, Splunk helps businesses proactively secure their systems, optimize performance, and drive resilience across IT, OT, and multicloud environments—trusted by global leaders to turn data into decisive action.

What is KnowBe4?

KnowBe4 is a leading cybersecurity platform designed to empower organizations by training employees to outsmart threats like phishing and social engineering. Trusted by nearly 70,000 businesses worldwide, it combines AI-driven tools with engaging training to strengthen human defenses. From phishing simulations to real-time coaching, KnowBe4 helps build a security-first mindset, keeping companies safe in today’s fast-evolving digital landscape.

What is Proofpoint?

Proofpoint is a cybersecurity tool that protects businesses from email threats like phishing and ransomware while keeping sensitive data secure. Trusted by millions, it uses smart AI and offers employee training to stop human-related risks.

Bitdefender
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Splunk
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KnowBe4
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Proofpoint
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Bitdefender
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Splunk
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KnowBe4
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Proofpoint
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Not Enough Data!
Not Enough Data!
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Not Enough Data!

If you're looking for other Cyber Security tools for IT security professionals, network administrators, you can also explore FaceCheck.ID, Cortex Cloud, Symantec Enterprise Cloud, Check Point Software, FortiGuard AI, SentinelOne, which are highly rated in 2025.

FaceCheck.ID
Cortex Cloud
Symantec Enterprise Cloud
Check Point Software
FortiGuard AI
SentinelOne
Bitdefender
  • Bitdefender
  • Bucharest, Romania
Splunk
  • Cisco
  • San Francisco, California
KnowBe4
  • KnowBe4
  • Clearwater, Florida
Proofpoint
  • Proofpoint
  • Sunnyvale, CA