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SERVICES

Cryptography Testing

Expose weaknesses in cryptographic algorithms, encryption, and key management that put sensitive data, communications, and systems at risk.

Secure your cryptography

Cryptography Security Assurance

OnDefend cryptography testing evaluates how cryptographic algorithms, encryption, and key management are implemented, validated, and enforced across your environment. We identify weaknesses in cryptographic controls, validate real-world exploitability, and uncover hidden risks that could lead to data exposure, unauthorized access, or regulatory non-compliance across frameworks such as SOC 2, ISO 27001, HIPAA, PCI DSS, and NIST.

We validate not only how cryptography is configured, but whether the underlying algorithms and implementations maintain their intended security properties under real-world attack conditions..

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Cryptography Environments Tested for Real-World Risk

Network and Transport Encryption

Assessment of TLS/SSL configurations, certificate management, cipher suites, and secure communication protocols to ensure data in transit is protected against interception, downgrade attacks, and misconfiguration.

APIs and Token-Based Systems

Assessment of cryptographic protections within APIs, including JWT handling, token signing, encryption mechanisms, and validation logic to prevent tampering or unauthorized access.

Post-Quantum Cryptography (PQC) Readiness

Evaluation of environments for quantum-vulnerable algorithms and validation of hybrid PQC implementations, crypto-agility gaps, and exposure to harvest-now, decrypt-later risks.

Key Management and Cryptographic Usage

Validation of key generation, storage, rotation, and access controls, as well as how keys are used across systems, services, and trust relationships.

Standard Cloud Pen Testing Only Finds 1/3 of Your Risk.

Our team of OnDefenders identifies cryptographic weaknesses, implementation flaws, and algorithm-level risks that increase exposure, including:

Cryptographic Algorithm Integrity Failures

Cryptographic Algorithm Integrity Failures

Validation of the correctness and resilience of cryptographic algorithms, including flawed implementations, misuse of primitives, or weaknesses that break intended security guarantees

Weak or Deprecated Cryptographic Algorithms

Weak or Deprecated Cryptographic Algorithms

Use of outdated or insecure algorithms such as MD5, SHA-1, or weak RSA implementations that can be broken or bypassed

Weak Identity and Access Management (IAM)

Improper Encryption Implementation

Incorrect use of cryptographic libraries, insecure modes of operation, or flawed logic that weakens otherwise strong encryption

Insecure Key Management Practices

Insecure Key Management Practices

Hardcoded keys, weak storage, lack of rotation, or improper access controls that expose sensitive encryption keys

Broken TLS/SSL Configurations

Broken TLS/SSL Configurations

Weak cipher suites, expired certificates, misconfigured protocols, or susceptibility to downgrade and man-in-the-middle attacks

Sensitive Data Exposure

Sensitive Data Exposure

Failure to properly encrypt sensitive data at rest or in transit, leading to potential data leakage or regulatory violations

Weak Password Hashing Mechanisms

Weak Password Hashing Mechanisms

Use of unsalted or fast hashing algorithms that allow attackers to efficiently crack stored credentials

Token and Session Weaknesses

Token and Session Weaknesses

Improper signing, validation, or expiration of tokens that allow impersonation or session hijacking

Continuous Security Inspector Reveals the Rest.

Standard cryptographic reviews and penetration testing focus on configuration and algorithm selection, providing limited visibility into how cryptography fails in real-world conditions. These approaches do not capture how attackers: Exploit weaknesses in cryptographic implementations, abuse trust relationships and key usage, bypass encryption through chained vulnerabilities, leverage future decryption risks (harvest-now, decrypt-later). The OnDefend Continuous Security Inspector (CSI) program goes beyond point-in-time testing, revealing:

Cryptographic Bypass Through Attack Chains

Cryptographic Bypass Through Attack Chains

Multi-stage attacks combining crypto weaknesses with application or identity flaws

Key Compromise and Abuse Scenarios

Key Compromise and Abuse Scenarios

Hidden paths to access or misuse cryptographic keys

Stealthy Data Decryption Paths

Stealthy Persistence Mechanisms

Indirect access to sensitive data without breaking encryption directly

Covert Data Exposure Through Trusted Channels

Covert Data Exposure Through Trusted Channels

Exfiltration via legitimate encrypted communications

Time-Delayed Cryptographic Failures

Time-Delayed and Conditional Attack Paths

Weaknesses that emerge under specific conditions or system changes

Cross-System Cryptographic Trust Abuse

Cross-System Cryptographic Trust Abuse

Exploitation of shared keys, certificates, and trust relationships

Harvest-Now, Decrypt-Later Exposure

Harvest-Now, Decrypt-Later Exposure

Data encrypted today that becomes readable with future quantum capabilities

Crypto-Agility Gaps

Crypto-Agility Gaps

Inability to transition quickly to stronger or post-quantum algorithms

Giving You The Competitive Advantage

OnDefend gives you a decisive advantage over adversaries by combining elite application security expertise, intelligence-driven testing, and validation that reflects real-world attacker behavior.

Elite Offensive Operators 

Experienced engineers validate cryptographic weaknesses through real-world exploitation techniques.

Intelligence-Driven Testing 

Testing reflects real attacker behavior, including emerging threats and post-quantum risks.

AI- and Automation 
Enhanced Coverage 

Automation expands testing coverage to identify cryptographic misuse and hidden exposure paths at scale.

Continuous Testing Capabilities 

Ongoing validation ensures visibility into new cryptographic risks as environments evolve.

Executive and Technical Reporting 

Clear, actionable reporting translates cryptographic risk into business impact.

Beyond Compliance Validation 

We validate whether cryptographic controls actually protect against real-world attacks—not just meet standards.

Our Team
Partners with Yours

Our team partners with yours to gain a deep understanding of your environment and objectives so you receive clear communication, expert guidance, and actionable insight that ensures outcomes align with your security and business goals.

Cryptography Testing FAQs

What is cryptography testing?

A security assessment that evaluates whether cryptographic algorithms, implementations, and key management effectively protect sensitive data from real-world attacks.

How is this different from a configuration review?

Configuration reviews check settings. Cryptography testing validates whether encryption can be bypassed, broken, or abused.

What are common cryptographic vulnerabilities?

Weak algorithms, improper implementation, broken TLS, poor key management, weak hashing, and flawed cryptographic logic.

Does this include algorithm-level validation?

Yes. We test whether cryptographic algorithms and implementations maintain their intended security guarantees under real-world conditions.

Why is post-quantum cryptography important?

Data encrypted today may be decrypted in the future. Organizations must understand exposure and prepare for transition.

How often should cryptography testing be performed?

Organizations should test at least annually and after any major changes, including new services, applications, encryption mechanisms, key management systems, or security architecture updates.

Resources

Explore our comprehensive resource collection to enhance your organization’s security posture and stay ahead of potential threats.

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TikTok Partnership

HaystackID and OnDefend are furthering security of the TikTok U.S. platform & app.

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Secure your cryptography.

Understand your real exposure with guidance from security experts.