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EDGAR (Electronic Data Gathering, Analysis, and Retrieval) is an internal database system operated by the U.S. Securities and Exchange Commission (SEC) that performs automated collection, validation, indexing, and accepted forwarding of submissions by companies and others who are required by law to file forms with the SEC.
DNS resolvers use NSEC records to verify the non-existence of a record name and type as part of DNSSEC validation. NSEC3 (next secure record version 3) Contains links to the next record name in the zone (in hashed name sorting order) and lists the record types that exist for the name covered by the hash value in the first label of the NSEC3 ...
Verification is intended to check that a product, service, or system meets a set of design specifications. [6] [7] In the development phase, verification procedures involve performing special tests to model or simulate a portion, or the entirety, of a product, service, or system, then performing a review or analysis of the modeling results.
An OCSP responder may be queried for revocation information by delegated path validation (DPV) servers. OCSP does not, by itself, perform any DPV of supplied certificates. The key that signs a response need not be the same key that signed the certificate. The certificate's issuer may delegate another authority to be the OCSP responder.
On March 22, 2019, the United States Secretary of Commerce Wilbur Ross approved FIPS 140-3, Security Requirements for Cryptographic Modules to succeed FIPS 140-2. [5] FIPS 140-3 became effective on September 22, 2019. [6] FIPS 140-3 testing began on September 22, 2020, and a small number of validation certificates have been issued.
Extended validation does not add any additional security controls, so the secure channel setup using an EV certificate is not "stronger" than a channel setup using a different level of validation like DV. Extended validation is signaled in a certificate using X.509 v3 extension.
An alternative to using CRLs is the certificate validation protocol known as Online Certificate Status Protocol (OCSP). OCSP has the primary benefit of requiring less network bandwidth, enabling real-time and near real-time status checks for high volume or high-value operations.
The U.S. Securities and Exchange Commission (SEC) is an independent agency of the United States federal government, created in the aftermath of the Wall Street crash of 1929. [2] [3] [4] Its primary purpose is to enforce laws against market manipulation. [5] [6]: 2