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Introduction:

Welcome to the second edition of our blog on Digital forensics series. In our previous blog we discussed what digital forensics is,  the process followed by the tools, and the subsequent challenges faced in the field. Further, we looked at how the future of Digital Forensics will hold in the current scenario.  Today, we will explore differences between 3 particular similar sounding terms that vary significantly in functionality when implemented: Copying, Cloning and Imaging.

In Digital Forensics, the preservation and analysis of electronic evidence are important for investigations and legal proceedings. Replication of the data and devices is one of the fundamental tasks in this domain, without compromising the integrity of the original evidence. 

Three primary techniques -- copying, cloning, and imaging -- are used for this purpose. Each technique has its own strengths and is applied according to the needs of the investigation.

In this blog, we will examine the differences between copying, cloning and imaging. We will talk about the importance of each technique, their applications and why imaging  is considered the best for forensic investigations.

Copying

Copying means duplicating data or files from one location to another. When one does copying, it implies that one is using standard copy commands. However, when dealing with evidence, it might be hard to use copy only. It is because the standard copy can alter the metadata and change the hidden or deleted data .

 The characteristics of copying include: 

• Speed: copying is simpler and faster,compared to cloning or imaging.
•  Risk: The risk involved in copying is that the metadata might be altered and all the data might be captured.

Cloning

It is the process where the transfer of the entire contents of a hard drive or a storage device is done  on another storage device. This process is known as cloning . This way, the cloning process captures both the active data and the unallocated space and hidden partitions, thus containing the whole structure of the original device. Cloning is generally used at the sector level of the device. Clones can be used as the working copy of a device .

Characteristics of cloning: 

•  bit-for-bit replication: cloning keeps the exact content and the whole structure of the original device. 
• Use cases: cloning is used when it is needed to keep the original device intact for further examination or a legal affair. 
•  Time consuming: Cloning is usually longer in comparison to simple copying since it involves the whole detailed replication. Though it depends on various factors like the size of the storage device, the speed of the devices involved, and the method of cloning.

Imaging:

It is the process of creating a forensic image of a storage device. A forensic image is a replica copy of every bit of data that was on the source device, this including the allocated, unallocated, and the available slack space .

 The image is then used for analysis and investigation, and the original evidence is left untouched. Images can’t be used as the working copies of a device.  Unlike cloning, which produces working copies, forensic images are typically used for analysis and investigation purposes and are not intended for regular use as working copies.

Characteristics of Imaging:

•  Integrity: Imaging ensures the integrity and authenticity of the evidence produced
•  Flexibility: Forensic image replicas can be mounted as a virtual drive to create image-specific mode for analysis of data without affecting the original evidence . 
• Metadata: Imaging captures metadata associated with the data, thus promoting forensic analysis.

Key Differences

• Purpose: Copying is for everyday use but not good for forensic investigations requiring data integrity. Cloning and imaging are made for forensic preservation.
• Depth of Replication: Cloning and imaging captures the entire storage device including hidden, unallocated, and deleted data  whereas copying may miss crucial forensic data.
• Data Integrity: Imaging and cloning keep the integrity of the original evidence thus making them suitable for legal and forensic use. Which is a critical aspect of forensic investigations.
• Forensic Soundness: Imaging is considered the best in digital forensics due to its comprehensive and non-invasive nature.
• Cloning is generally from one hard disk to another, where as imaging creates a compressed file that contains a snapshot of the entire hard drive or a specific partitions

Conclusion

Therefore, copying, cloning, and imaging all deal with duplication of data or storage devices with significant variations, especially in digital forensic. However, for forensic investigations, imaging is the most selected approach due to the correct preservation of the evidence state for any analysis or legal use . Therefore, it is essential for forensic investigators to understand these rigorous differences to avail of real and uncontaminated digital evidence for their investigation and legal argument.

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Introduction

The world has been surfing the wave of technological advancements and innovations for the past decade, and it all pins down to one device – our mobile phone. For all mobile users, the primary choices of operating systems are Android and iOS. Android is an OS created by google in 2008 and is supported by most brands like – One+, Mi, OPPO, VIVO, Motorola, and many more and is one of the most used operating systems. iOS is an OS that was developed by Apple and was introduced in their first phone – The iPhone, in 2007. Both OS came into existence when mobile phone penetration was slow globally, and so the scope of expansion and advancements was always in favor of such operating systems.

The Evolution

iOS

Ever since the advent of the iPhone, iOS has seen many changes since 2007. The current version of iOs is iOS 16. However, in the course of creating new iOS and updating the old ones, Apple has come out with various advancements like the App Store, Touch ID & Face ID, Apple Music, Podcasts, Augmented reality, Contact exposure, and many more, which have later become part of features of Android phone as well. Apple is one of the oldest tech and gadget developers in the world, most of the devices manufactured by Apple have received global recognition, and hence Apple enjoys providing services to a huge global user base.

Android

The OS has been famous for using the software version names on the food items like – Pie, Oreo, Nougat, KitKat, Eclairs, etc. From Android 10 onwards, the new versions were demoted by number. The most recent Android OS is Android 13; this OS is known for its practicality and flexibility. In 2012 Android became the most popular operating system for mobile devices, surpassing Apple’s iOS, and as of 2020, about 75 percent of mobile devices run Android.

Android vs. iOS

1. USER INTERFACE

One of the most noticeable differences between Android and iPhone is their user interface. Android devices have a more customizable interface, with options to change the home screen, app icons, and overall theme. The iPhone, on the other hand, has a more uniform interface with less room for customization. Android allows users to customize their home screen by adding widgets and changing the layout of their app icons. This can be useful for people who want quick access to certain functions or information on their home screen. IOS does not have this feature, but it does allow users to organize their app icons into folders for easier navigation.

2. APP SELECTION

Another factor to consider when choosing between Android and iOS is the app selection. Both platforms have a wide range of apps available, but there are some differences to consider. Android has a larger selection of apps overall, including a larger selection of free apps. However, some popular apps, such as certain music streaming apps and games, may be released first or only available on iPhone. iOS also has a more curated app store, meaning that all apps must go through a review process before being accepted for download. This can result in a higher quality of apps overall, but it can also mean that it takes longer for new apps to become available on the platform. iPhone devices tend to have less processing power and RAM. But they are generally more efficient in their use of resources. This can result in longer battery life, but it may also mean that iPhones are slower at handling multiple tasks or running resource-intensive apps.

3. PERFORMANCE

When it comes to performance, both Android and iPhone have their own strengths and weaknesses. Android devices tend to have more processing power and RAM. This can make them faster and more capable of handling multiple tasks simultaneously. However, this can also lead to Android devices having shorter battery life compared to iPhones.

4. SECURITY

Security is an important consideration for any smartphone user, and Android and iPhone have their own measures to protect user data. Android devices are generally seen as being less secure than iPhones due to their open nature. Android allows users to install apps from sources other than the Google Play Store, which can increase the risk of downloading malicious apps. However, Android has made improvements in recent years to address this issue. Including the introduction of Google Play Protect, which scans apps for malware before they are downloaded. On the other hand, iPhone devices have a more closed ecosystem, with all apps required to go through Apple‘s review process before being available for download. This helps reduce the risk of downloading malicious apps, but it can also limit the platform’s flexibility.

Conclusion

The debate about the better OS has been going on for some time now, and it looks like it will get more comprehensive in the times to come, as netizens go deeper into cyberspace, they will get more aware and critical of their uses and demands, which will allow them to opt for the best OS for their convenience. Although the Andriod OS, due to its integration, stands more vulnerable to security threats as compared to iOS, no software is secure in today’s time, what is secure is its use and application hence the netizen and the platforms need to increase their awareness and knowledge to safeguard themselves and the wholesome cyberspace.

Introduction

India has been a nation where technology penetration has been a little slower in the previous decades; however, that has changed now. Cyberspace has influenced and touched every country and has significantly diminished the gap between developing nations, developed nations, and underdeveloped nations. This has also been substantiated and strengthened during the Covid-19 pandemic as the world went into lockdown and the cyberspace was the only medium of communication and information. India witnessed a rise of 61% in terms of internet users, and a significant part of this number represented rural India.

New Standards

These standards have been released in threefold aspects covering – Digital Television Receivers, USB Type-C chargers, and Video Surveillance Systems, thus streamlining the use of gadgets and reduction of e-waste for the country.

1. Digital Television Receivers

The Indian standard IS 18112:2022 specification for digital television, and this standard would enable reception of free-to-air TV and radio channels just by connecting a dish antenna with LNB mounted on a suitable area with good signal reception. This will help in the transmission of knowledge about government initiatives and schemes, the educational content of Doordarshan, and the repository of Indian cultural programs. Doordarshan is in the process of phasing out analog transmission, and free-to-air channels will continue to be broadcast using digital satellite transmission. The keen aspects of educational and awareness programs run by the Govt and CSOs will impact more Indians than before as the Ministry of Information and Broadcast intends to increase their free channels of Doordarshan from 55 to 200 by the end of this year, which shows the importance of developments in the mass media industry.

2. USB Type C

Standard (IS/IEC 62680-1-3:2022) for USB Type-C receptacles, plugs, and cables adopting the existing global standard IEC 62680-1-3:2022. This standard provides for the requirements for USB type C ports and cables for use in various electronic devices like laptops, mobile phones, and other gadgets. This standard is similar to the new European standard, which is also aimed at the reduction of carbon emissions and e-waste; this move will result in ease for the industry and the end users. This will also contribute towards the strengthening of the cyber security aspects and prevent threats like ‘Juice Jacking’ to a massive extent.

3. Video Surveillance System

IS 16190, this standard provides a detailed outline of the aspects of a video surveillance system, such as requirements for its components like camera devices, interfaces, system requirements, and tests to ascertain the camera’s image quality on different devices. This series of standards would assist customers, installers, and users in establishing their requirements and determining the appropriate equipment required for their intended application and also provide means of evaluating the performance of the VSS objectively. This will also help in the improvement of surveillance by the individuals, and this will also help in the better investigation by Law enforcement agencies and faster apprehension of criminals, thus contributing to an overall safe society.

The Advantages

These standards are in power with the Internationally prevalent standards, thus taking the safety factors to the global aspect. This will also allow the Indian industry to create world-class products which can be shared all across the globe. This will open India to various opportunities and job avenues, thus opening the world to invest in India. The aspect of Atma Nirbhar Bharat and Digital India will be strengthened to a new level as the nation will be able to deliver products in power with quality in developed countries. The end Indian consumer will benefit the most from these upgraded standards in terms of Digital Televisions, Type ‘C’ USB chargers, and Video surveillance systems, as these impacts the consumers’ daily activities in terms of security and access to information.

• Reduction in Carbon Emission
• Production of World Class components and devices
• Boost to the economy and Atmanirbhar Bharat
• New avenues and opportunities for startups and MSMEs
• Better transmission of Knowledge
• Boosting FDI
• Improved quality of products for the end consumer
• New innovation hubs and exposure to global talents

This government move simply shows how India is working toward securing the Sustainable development Goals (SDG) by United Nations. This clearly shares the message to the world that India is ready for the future and will also be a helping hand to various developing and underdeveloped nations in the times to come.

Conclusion

These standards will significantly contribute towards the reduction of E-Waste and unnecessary accessories for daily use gadgets. This strengthens the reduction in carbon emissions and thus contributes towards the perseverance of the environment and working towards sustainable development goals. Such standards will lead the future towards securing the netizens and their new and evolving digital habits. In the current phase of cyberspace, the most essential aspect of establishing Critical Infrastructure as the same will act as a shield against the threats of cyberspace.