Cryptographic storage cheat sheet

Still in our series of articles about web vulnerabilities, this 6th episode is about Sensitive Data Exposure. These vulnerabilities are usually quite difficult to exploit by hackers, but the impact being really severe , it is very important to properly understand them and make appropriate choices in the application architecture. In both cases, problems occur when sensitive data banking information, health records, Personally Identifiable Information is not sufficiently protected :. An attacker successfully attacked your server with an SQL Injection attack covered in the first article about Injections and has been able to retrieve a part or the entirety of your database, where you store the passwords of all your consumers. Unfortunately , the passwords have been hashed with a weak algorithm such as MD5.

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Cryptographic storage cheat sheet

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MD5 password encryption is insecure

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Create your free account to continue reading. Sign Up. Upcoming SlideShare. Make profit with UI-Redressing attacks. Embed Size px. Start on. Show related SlideShares at end. WordPress Shortcode. Share Email. Top clipped slide. Download Now Download Download to read offline. Magno Logan Follow. Application Security Specialist. Site Security Policy - Yahoo! Security Week. Top Ten Web Hacking Techniques Top 10 Web Security Vulnerabilities. Related Books Free with a 30 day trial from Scribd.

Related Audiobooks Free with a 30 day trial from Scribd. Elizabeth Howell. Sometimes it takes a noob to teach a noob. Put the Mutillidae files in htdocs 4. May want to edit xamppliteapacheconfhttpd. XSS allows attackers to execute script in the victim's browser which can hijack user sessions, deface web sites, possibly introduce worms, etc. Injection occurs when user-supplied data is sent to an interpreter as part of a command or query.

The attacker's hostile data tricks the interpreter into executing unintended commands or changing data. Attackers can manipulate those references to access other objects without authorization. CSRF can be as powerful as the web application that it attacks.

Session established with web app via a cookie. At some later point, content that the attacker controls is requested. Client makes request, and since it already has a session cookie the request is honored. Travis Clarke Feb. Total views. You just clipped your first slide! Clipping is a handy way to collect important slides you want to go back to later.

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Understanding web vulnerabilities in 5 min – Episode #6 – Sensitive Data Exposure

Cryptography is hard. And when it is used in an application, it's usually to make sure user data is secure in transit and at rest. Unfortunately, cryptographic libraries are not always easy to use. They require proper configuration and settings to ensure the data is safe. The security of the MD5 hash function is severely compromised. A collision attack exists that can find collisions within seconds on a computer with a 2. Further, there is also a chosen-prefix collision attack that can produce a collision for two inputs with specified prefixes within hours, using off-the-shelf computing hardware.

KeyStore - see the section KeyStore in the chapter "Testing Data Storage" of cryptographic key management can be found in Key Management Cheat Sheet.

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Are you planning to attempting for Azure data engineer interview or you are new to a Azure data engineer, then at times you might find it difficult to remember all those jargons and acronyms used in the ADF. You can download this useful cheat sheet to use it as a reference for your interview or your day to day work. Pipeline : A data integration workload unit in Azure Data Factory. A logical grouping of activities assembled to execute a particular data integration process. Pipeline activities use datasets to interact with external data. ADF has no internal storage resources. This means that the pipeline definition from the ADF UX session is executed — it does not need to be published to the connected factory instance. During a debugging run, a pipeline treats external resources in exactly the same way as in published pipeline runs. Other supported storage types not described here include file shares, queues, and tables.

Cryptographic Storage Cheat Sheet

cryptographic storage cheat sheet

In cryptography , a salt is random data that is used as an additional input to a one-way function that hashes data , a password or passphrase. Historically, only a cryptographic hash function of the password was stored on a system, but over time, additional safeguards were developed to protect against duplicate or common passwords being identifiable as their hashes are identical. A new salt is randomly generated for each password. Typically, the salt and the password or its version after key stretching are concatenated and fed to a cryptographic hash function , and the output hash value but not the original password is stored with the salt in a database.

Dream is built on just five types. The first two are the data types of Dream.

Salt (cryptography)

This guidance is intended for use when you want to implement a password-based authentication scheme for an online service. It outlines the considerations that you should have where your authentication scheme will be protecting access to personal data. Using passwords or other credentials for your internal network and information systems are out of scope of this guidance. However, there may be content that applies in this context all the same. Before reading and applying this guidance, you should consider whether passwords are the most appropriate method of authenticating users, or whether other alternatives will provide more security and less friction for users.

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AWS and AWS Marketplace partners offer a variety of solutions for protecting sensitive data within the AWS platform, but for some applications and data subject to contractual or regulatory mandates for managing cryptographic keys, additional protection may be necessary. CloudHSM complements existing data protection solutions and allows you to protect your encryption keys within HSMs that are designed and validated to government standards for secure key management. CloudHSM allows you to securely generate, store and manage cryptographic keys used for data encryption in a way that keys are accessible only by you. A Hardware Security Module HSM provides secure key storage and cryptographic operations within a tamper-resistant hardware device. HSMs are designed to securely store cryptographic key material and use the key material without exposing it outside the cryptographic boundary of the hardware. The table below describes the latest version of CloudHSM and how it differs from its predecessor:. HSM instances in a cluster are automatically synchronized and load-balanced.

It's also a common problem for some token encryption/hashing A more complete list can be found in in the Logging cheat sheet from OWASP.

Azure Stack Hub storage: Differences and considerations

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Since that time, this paper has taken on a life of its own In the earlys, when the commercial Internet was still young! Many thoiught that increased security provided comfort to paranoid people while most computer professionals realized that security provided some very basic protections that we all needed? Cryptography for the masses barely existed at that time and was certainly not a topic of common discourse. Security and privacy impacts many applications, ranging from secure commerce and payments to private communications and protecting health care information.

Attackers can steal data from web and webservice applications in a number of ways. Also, an attacker could use SQL Injection to steal passwords and other credentials from an applications database and expose that information to the public.

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This may be less than the size of the data if it is highly redundant. Two parties that want to communicate via encryption must agree on a particular key to use, and sharing and protecting that key is often the most difficult part of protecting encryption security. A block cipher works on fixed-size units of plaintext to produce usually identically-sized units of ciphertext, or vice-versa. A stream cipher produces a stream of random bits based on a key that can be combined usually using XOR with data for encryption or decryption.

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  1. Nikolabar

    In my opinion this was already discussed