TLS_ECDH_ECDSA_WITH_NULL_SHA
Breakdown of the TLS_ECDH_ECDSA_WITH_NULL_SHA cipher suite
Cyber Security Rating for TLS_ECDH_ECDSA_WITH_NULL_SHA - F
B
Key Exchange Mechanism
Static Elliptic Curve Diffie Hellman (ECDH) does not use ephemeral (temporary) keys, meaning it violates perfect forward secrecy. ECDHE should be used in preference.
A
Authentication
ECDSA (Elliptic Curve Digital Signature Algorithm) is used in cipher suites for authentication and integrity verification. Its efficiency in generating and verifying digital signatures makes it suitable for secure communication protocols like TLS, ensuring data confidentiality and integrity during exchanges over networks.
F
Cipher
Null encryption ciphers are bad because they provide no encryption, leaving data transmitted over the network completely unprotected. This means that any information sent, such as passwords, personal details, or confidential messages, can be easily intercepted and read by anyone with access to the network traffic. Without encryption, the confidentiality and integrity of the data are compromised, making it highly vulnerable to eavesdropping, tampering, and unauthorized access. In essence, using Null encryption defeats the primary purpose of secure communication protocols, which is to safeguard data from potential threats.
F
Hash
Null hashes are bad in cipher suites because they provide no integrity protection, making the communication vulnerable to undetected tampering or data corruption. This compromises the security by allowing potential attackers to alter messages without detection, undermining the confidentiality and trustworthiness of the communication.Null hashes are bad because they provide no integrity checks, leaving data transmitted over the network completely unprotected. This means that any information sent, such as passwords, personal details, or confidential messages, can be easily intercepted and read by anyone with access to the network traffic. Without encryption, the confidentiality and integrity of the data are compromised, making it highly vulnerable to eavesdropping, tampering, and unauthorized access. In essence, using Null encryption defeats the primary purpose of secure communication protocols, which is to safeguard data from potential threats.
Web infrastructure owners must ensure they only allow secure cipher suites to protect against potential security threats. Cipher suites determine the encryption algorithms and key exchange mechanisms used in HTTPS connections. Insecure cipher suites can leave data vulnerable to interception, decryption, and manipulation by malicious actors. By restricting to secure cipher suites, owners mitigate risks such as data breaches, unauthorized access, and compromise of sensitive information. This proactive measure helps maintain trust with users, ensures compliance with security standards, and safeguards the integrity and confidentiality of data transmitted over the web.
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