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Eraser (software)
Eraser is an open-source secure file erasure tool available for the Windows operating system. It supports both file and volume wiping. Eraser securely erases data by overwriting it such that the data is irrecoverable. It supports a variety of data destruction standards, including British HMG IS5 (Infosec Standard 5), American DoD 5220.22-M, and the Gutmann method which features a 35-pass overwrite. The tool has been recommended in ''TechAdvisor'', ''The Guardian'', and ''PC World'', and is a tool suggested by the United States government Computer Emergency Readiness Team. See also * BleachBit * CCleaner * Data erasure * Shred (Unix) is a command on Unix-like operating systems that can be used to securely delete files and devices so that it is extremely difficult to recover them, even with specialized hardware and technology; assuming it's even possible to recover the file ... References External links Official websiteDocumentation Data erasure software 2003 softw ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
C Sharp (programming Language)
C# (pronounced ) is a general-purpose, high-level multi-paradigm programming language. C# encompasses static typing, strong typing, lexically scoped, imperative, declarative, functional, generic, object-oriented (class-based), and component-oriented programming disciplines. The C# programming language was designed by Anders Hejlsberg from Microsoft in 2000 and was later approved as an international standard by Ecma (ECMA-334) in 2002 and ISO/IEC (ISO/IEC 23270) in 2003. Microsoft introduced C# along with .NET Framework and Visual Studio, both of which were closed-source. At the time, Microsoft had no open-source products. Four years later, in 2004, a free and open-source project called Mono began, providing a cross-platform compiler and runtime environment for the C# programming language. A decade later, Microsoft released Visual Studio Code (code editor), Roslyn (compiler), and the unified .NET platform (software framework), all of which support C# and are free, open ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gutmann Method
The Gutmann method is an algorithm for securely erasing the contents of computer hard disk drives, such as files. Devised by Peter Gutmann and Colin Plumb and presented in the paper ''Secure Deletion of Data from Magnetic and Solid-State Memory'' in July 1996, it involved writing a series of 35 patterns over the region to be erased. The selection of patterns assumes that the user does not know the encoding mechanism used by the drive, so it includes patterns designed specifically for three types of drives. A user who knows which type of encoding the drive uses can choose only those patterns intended for their drive. A drive with a different encoding mechanism would need different patterns. Most of the patterns in the Gutmann method were designed for older MFM/ RLL encoded disks. Gutmann himself has noted that more modern drives no longer use these older encoding techniques, making parts of the method irrelevant. He said "In the time since this paper was published, some people ha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Data Erasure Software
In the pursuit of knowledge, data (; ) is a collection of discrete values that convey information, describing quantity, quality, fact, statistics, other basic units of meaning, or simply sequences of symbols that may be further interpreted. A datum is an individual value in a collection of data. Data is usually organized into structures such as tables that provide additional context and meaning, and which may themselves be used as data in larger structures. Data may be used as variables in a computational process. Data may represent abstract ideas or concrete measurements. Data is commonly used in scientific research, economics, and in virtually every other form of human organizational activity. Examples of data sets include price indices (such as consumer price index), unemployment rates, literacy rates, and census data. In this context, data represents the raw facts and figures which can be used in such a manner in order to capture the useful information out of it. Dat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shred (Unix)
is a command on Unix-like operating systems that can be used to securely delete files and devices so that it is extremely difficult to recover them, even with specialized hardware and technology; assuming it's even possible to recover the file at all. It is a part of GNU Core Utilities. Being based on the Gutmann method paper, it suffers from the same criticisms and possible shortcomings. Background For efficiency, the process of erasing a file from storage using the command usually only erases the file's file-system entry while keeping the content of the file intact. This frequently allows commonly available software to recover the "erased" file's data. If the file data is stored on magnetic media such as a HDD, even if the file is overwritten, residual magnetic fields may allow data recovery using specialist hardware equipment (this claim is disputed; see ). To prevent this, overwrites the contents of a file multiple times, using patterns chosen to maximize destru ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CCleaner
CCleaner (, originally Crap Cleaner), developed by Piriform Software, is a utility used to clean potentially unwanted files and invalid Windows Registry entries from a computer. It is one of the longest-established system cleaners, first launched in 2004. It was originally developed for Microsoft Windows only, but in 2012, a macOS version was released. An Android version was released in 2014. Features CCleaner can delete potentially unwanted files left by certain programs, including Microsoft Edge, Internet Explorer, Firefox, Google Chrome, Opera, Safari, Windows Media Player, eMule, Google Toolbar, Netscape, Microsoft Office, Nero, Adobe Acrobat, McAfee, Adobe Flash Player, Sun Java, WinRAR, WinAce, WinZip and GIMP along with browsing history, cookies, recycle bin, memory dumps, file fragments, log files, system caches, application data, autocomplete form history, and various other data. The program includes a registry cleaner to locate and correct problems in the Windows ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
BleachBit
BleachBit is a free and open-source disk space cleaner, privacy manager, and computer system optimizer. The BleachBit source code is licensed under the GNU General Public License version 3. History BleachBit was first publicly released on 24 December 2008 for Linux systems. The 0.2.1 release created some controversy by suggesting Linux needed a registry cleaner. Version 0.4.0 introduced CleanerML, a standards-based markup language for writing new cleaners. On May 29, 2009, BleachBit version 0.5.0 added support for Windows XP, Windows Vista, and Windows 7. On September 16, 2009, version 0.6.4 introduced command-line interface support. BleachBit is available for download through its website and the repositories of many Linux distributions. Features *Identifying and removing Web cache, HTTP cookies, URL history, temporary files log files and Flash cookies for Firefox, Opera, Safari, APT, Google Chrome *Removing unused localizations (also called locale files) which are t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Computer Emergency Readiness Team
The United States Computer Emergency Readiness Team (US-CERT) is an organization within the Department of Homeland Security’s (DHS) Cybersecurity and Infrastructure Security Agency (CISA). Specifically, US-CERT is a branch of the Office of Cybersecurity and Communications' (CS&C) National Cybersecurity and Communications Integration Center (NCCIC). US-CERT is responsible for analyzing and reducing cyber threats, vulnerabilities, disseminating cyber threat warning information, and coordinating incident response activities. The division brings advanced network and digital media analysis expertise to bear on malicious activity targeting the networks within the United States and abroad. Background The concept of a national Computer Emergency Response Team (CERT) for the United States was proposed by Marcus Sachs (Auburn University) when he was a staff member for the U.S. National Security Council in 2002 to be a peer organization with other national CERTs such as AusCERT and C ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
PC World
''PC World'' (stylized as PCWorld) is a global computer magazine published monthly by IDG. Since 2013, it has been an online only publication. It offers advice on various aspects of PCs and related items, the Internet, and other personal technology products and services. In each publication, ''PC World'' reviews and tests hardware and software products from a variety of manufacturers, as well as other technology related devices such as still and video cameras, audio devices and televisions. The current editor of ''PC World'' is Jon Phillips, formerly of ''Wired''. In August 2012, he replaced Steve Fox, who had been editorial director since the December 2008 issue of the magazine. Fox replaced the magazine's veteran editor Harry McCracken, who resigned that spring, after some rocky times, including quitting and being rehired over editorial control issues in 2007. ''PC World'' is published under other names such as PC Advisor and PC Welt in some countries. ''PC World''s company ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
TechAdvisor
''Tech Advisor'', previously known as ''PC Advisor'', is a consumer tech website and digital magazine published by Foundry, a subsidiary of IDG Inc, which also produces ''Macworld, PCWorld'' and ''TechHive.'' IDG Inc was acquired by Blackstone in 2021. Tech Advisor In June 2017 ''PC Advisor'' was rebranded ''Tech Advisor'', which continues to operate as both a website and monthly digital magazine focused on consumer and small business technology buying advice''.'' On 24 August 2020 a formal announcement was made that the Tech Advisor forums would close permanently on Wednesday 2 September 2020. In April 2021, Tech Advisor moved from a UK ccTLD (.co.uk) to a gTLD (.com) domain, focused primarily on smartphones, tablets, laptops and wearables, but also covering smart home and appliances, entertainment, audio and gaming, tech accessories, security, software and services. In February 2022, Tech Advisor publisher IDG Communications was formally renamed Foundry. PC Advisor ''PC Adv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Industrial Security Program
The National Industrial Security Program, or NISP, is the nominal authority in the United States for managing the needs of private industry to access classified information. The NISP was established in 1993 by Executive Order 12829. The National Security Council nominally sets policy for the NISP, while the Director of the Information Security Oversight Office is nominally the authority for implementation. Under the ISOO, the Secretary of Defense is nominally the Executive Agent, but the NISP recognizes four different Cognizant Security Agencies, all of which have equal authority: the Department of Defense, the Department of Energy, the Central Intelligence Agency, and the Nuclear Regulatory Commission The Nuclear Regulatory Commission (NRC) is an independent agency of the United States government tasked with protecting public health and safety related to nuclear energy. Established by the Energy Reorganization Act of 1974, the NRC began operat .... Defense Counterintelligen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Microsoft Windows
Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for servers, and Windows IoT for embedded systems. Defunct Windows families include Windows 9x, Windows Mobile, and Windows Phone. The first version of Windows was released on November 20, 1985, as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs). Windows is the most popular desktop operating system in the world, with 75% market share , according to StatCounter. However, Windows is not the most used operating system when including both mobile and desktop OSes, due to Android's massive growth. , the most recent version of Windows is Windows 11 for consumer PCs and tablets, Windows 11 Enterprise for corporations, and Windows Server 2022 for servers. Genealogy By marketing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Infosec Standard 5
HMG Infosec Standard 5, or IS5, is a data destruction standard used by the British government. Context IS5 is part of a larger family of IT security standards published by CESG; it is referred to by the more general Infosec Standard No.1. IS5 is similar to DOD 5220.22-M (used in the USA). Requirements IS5 sets a wide range of requirements—not just the technical detail of overwriting data, but also the policies and processes that organisations should have in place, to ensure that media are disposed of securely. IS5 also touches on risk management accreditation, because secure reuse and disposal of media is an important control for organisations handling high-impact data. It's not sufficient just to sanitise media; the sanitisation should also be ''auditable'', and records must be kept. IS5 defines two different levels of overwriting: * Baseline overwriting of data involves one pass, overwriting every sector of the storage medium once with zeros. * Enhanced overwriting involves ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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