Quick Charge is the name given to an originally proprietary method of transmitting electrical power via a USB interface by controlling the supply voltage by the connected device. It is mainly used for fast charging of mobile devices such as special smartphones or power banks. The first version of the standard was developed by Qualcomm in 2013, revised in various versions in the following years … [Read more...]
Archives for February 2024
What is Application Virtualization and What Are the Pros
Application virtualization is a software technology that isolates the application from the running operating system and provides a layer between the application and the operating system as a runtime environment. A fully virtualized application is no longer installed on an operating system in the traditional sense, although it still runs on the basis of it. The application behaves as if it were … [Read more...]
What is Silk Road (Virtual Black Market)?
Silk Road was a virtual black market operated as a hidden service on the Tor network. In particular, illegal drugs and various digital goods were traded there, with the cryptocurrency Bitcoin being used as the only means of payment. After the original platform was seized after two and a half years of activity and the alleged operator was arrested, it reopened just a month later under Silk Road … [Read more...]
What is The Difference Between S23 Ultra and S24 Ultra
We love or hate to hear but the truth is Samsung Galaxy S24 Ultra is different from Samsung Galaxy S23 Ultra and Samsung Galaxy S22 Ultra. I own all of them. They do look quite similar, even the software of the S22 Ultra and S23 Ultra is 100% the same. But they feel completely different when in hand. The balance is different, although the weights are quite close. Also, the S24 Ultra is less … [Read more...]
Security Consideration of Two-Factor Authentication
Two-factor authentication (2FA) refers to the proof of identity of a user by means of a combination of two different and, in particular, independent components (factors). Typical examples are bank card and PIN for ATMs, fingerprint and access code in buildings, or passphrase and transaction number (TAN) for online banking. Two-factor authentication is a special case of multi-factor … [Read more...]
How Trojan Horses Get Distributed
A Trojan horse is a computer program that is disguised as a useful application, but performs another function in the background without the user's knowledge. Trojan horses are among the unwanted or harmful programs, the so-called malware. The term is often used colloquially as a synonym for computer viruses and as a generic term for backdoors and rootkits, but must be clearly distinguished from … [Read more...]
What is Mobile Malware?
Mobile phone malware is a special case of conventional malware that attacks mobile phones or smartphones. This can be a virus, a worm or a Trojan. However, this term does not include special SMS messages that exploit a bug on the target system, e.g. to cause it to crash. The first worm for Symbian mobile phones, called Cabir (also known as Caribe), has been added to the list of virus … [Read more...]
HIPAA and Fax Encryption: How To Safeguard Patient Information In Transit
The Health Insurance Portability and Accountability Act (HIPAA) establishes the standards for protecting sensitive patient health information. It mandates that healthcare organizations implement effective measures to ensure that protected health information (PHI) is kept confidential and secure throughout its handling. Faxing remains a widely used method for sharing PHI between healthcare … [Read more...]
Trends and Impact of Darknet Trading
A darknet market is a virtual marketplace that operates away from the open internet in the darknet. Please read our first article on darknet market to know the basics. The presentation and user interface of darknet marketplaces are generally professionally executed and similar to those of other virtual marketplaces such as eBay or Amazon. In principle, each account is provided with a coin … [Read more...]
Basics of One-Time Password
A one-time password is a password used for authentication or authorization. Each one-time password is valid for a single use only and cannot be used a second time. Accordingly, each authentication or authorization requires a new one-time password. It is safe against passive attacks, i.e. eavesdropping. Replay attacks are also impossible. One-time passwords do not help against the man-in-the-middle … [Read more...]
Measures to Protect Against DNS Spoofing
Measures to protect against DNS spoofing are either aimed at including more random information in the DNS message that the attacker has to guess or protecting the message with cryptographic techniques. Since the Kaminsky attack became known, all common name servers have been using source port randomization. In addition to the transaction number, the source port of a DNS request in the UDP header … [Read more...]