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In Excel and Word 95 and prior editions a weak protection algorithm is used that converts a password to a 16-bit verifier and a 16-byte XOR obfuscation array [1] key. [4] Hacking software is now readily available to find a 16-byte key and decrypt the password-protected document. [5] Office 97, 2000, XP and 2003 use RC4 with 40 bits. [4]
Software-based security solutions encrypt the data to protect it from theft. However, a malicious program or a hacker could corrupt the data to make it unrecoverable, making the system unusable. Hardware-based security solutions prevent read and write access to data, which provides very strong protection against tampering and unauthorized access.
Information security is the practice of protecting information by mitigating information risks. It is part of information risk management. [1] It typically involves preventing or reducing the probability of unauthorized or inappropriate access to data or the unlawful use, disclosure, disruption, deletion, corruption, modification, inspection, recording, or devaluation of information.
An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data ...
Paradigm, an AI agent-focused startup looking to take on Microsoft and Google in transforming spreadsheets, came out of stealth today with new funding.
Many data breaches occur on the hardware operated by a partner of the organization targeted—including the 2013 Target data breach and 2014 JPMorgan Chase data breach. [29] Outsourcing work to a third party leads to a risk of data breach if that company has lower security standards; in particular, small companies often lack the resources to ...
Data-centric security is an approach to security that emphasizes the dependability of the data itself rather than the security of networks, servers, or applications.Data-centric security is evolving rapidly as enterprises increasingly rely on digital information to run their business and big data projects become mainstream.
Security breach notification laws or data breach notification laws are laws that require individuals or entities affected by a data breach, unauthorized access to data, [1] to notify their customers and other parties about the breach, as well as take specific steps to remedy the situation based on state legislature. Data breach notification ...