[WTS] Exmasters.com – * High Quality * Dedicated Hosting | Time tested host

This is a discussion about Exmasters.com – * High Quality * Dedicated Hosting | Time-tested host | 24/7 support! within the Webmaster Marketplace Forums belonging to the business category; Exmasters is a leading global provider of adult and high-speed web hosting solutions, offering a new approach to affordable home entertainment …

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iphone – app and hardware for using the phone as a one-way walkie-talkie

I am looking for an app and a cordless device so that I can use my phone as the audio transmitter for the device. The device is connected to a noise canceling headphones for my child.
My child has difficulties with audio processing and I experiment with different options to support it at home. I hope I can use my phone as a transmitter to send audio messages directly to the receiver connected to their headphones so they can hear messages throughout the house loud and clear when needed.
Has anyone seen something like this? thank you in advance

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How much money in terms of power and hardware was invested in Blockchain?

Right now in this moment Thu 11th July 2019 22:08 pm British time

Enter image description here

That's a respectable number. Almost as big a scam that a single bank has committed: https://en.wikipedia.org/wiki/Danske_Bank_money_laundering_scandal

It would be easy to calculate the current price for Antminer and the current level of difficulty, ignore the difficulty level adjustment and specify a number.

But in reality there were a lot of different hardware, the difficulties changed and I am therefore quite uncertain – how much money in terms of HARDWARE and ELECTRICITY was invested in Bitcoin?

Take reasonable assumptions such as 10 ¢ per kWh.

Relevant resources:

PS. I love everything about Bitcoin, especially math, cryptography, economics and physics – transforming energy ⚡️⚡️⚡️

mojave – kernel malware in extension can not be deleted, which affects all connections, including Wi-Fi. Wi-Fi has no hardware installed

I had downloaded the ethernet adapter driver from a mac and disabled my wifi. My Wi-Fi icon indicates that there is no hardware installed. Malware is located in system> library> extensions. It's a kernel extension called apple realtek and I can not uninstall it. Whenever I try to put it in the trash, your Mac says that this file is required and I can not even change it in reading and writing after unlocking. My Wi-Fi, Bluetooth and other connections are not working.

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hsm – Does using a hardware security module improve the security of a password store?

Let's say I work for a company that wants to authenticate users with traditional usernames and passwords. The company is currently using a slow key derivation feature to hash passwords such as Argon2, Scrypt or PBKDF2.

One of the developers now had the idea to use a hardware security module to further secure the credentials. He had the idea of ​​using the HMAC of the password as input to the key derivation function. Because the actual key for the HMAC function is stored in the HSM and can not be extracted. Here in the pseudocode is so once the old login code and the new login code:

// old login code
Function Authenticate (input)
{
user = DB.getUser (input.username);
if (user == null) returns false; //User does not exist

kdf = argon 2id;
return kdf.verify (user.password, input.password);
}

And here is the new login code:

// new login code
Function Authenticate (input)
{
user = DB.getUser (input.username);
if (user == null) returns false; //User does not exist

kdf = argon 2id;

keyedHash = HSM.getHMAC (input.password, useInternalKey = true);
return kdf.verify (user.password, keyedHash);
}

This seems to improve security overall, as an attacker who is able to steal the database also needs access to the HSM to try to crack the keys. Even if an attacker knows his own password, the key stored in the HSM is so long that an attempt to brutally force the key would not be feasible.

An attacker with control of the database may be able to send password candidates to the HSM to get the encrypted hashes in return.

  • Limit the number of candidates the attacker can attempt per second significantly
  • Network administrators probably see unusual network traffic and detect the security breach

I realize that "Never Roll Your Own!", And I believe that this is not "my own algorithm".

I also understand that users can not log in now if the HSM ever loses the key. This problem could be solved by using a backup HSM and storing the key there as well.

Is this schema useful? Does it actually prevent an attacker from recovering passwords? Or is it just an excuse for the IT team to spend a lot of money to get a shiny new thing?

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[​IMG]In case you do not want to get any further

24x7technicalsupport.net As part of our services, we provide "fully managed" Virtual Private Servers (VPS). Our servers and VPS are a perfect combination of robust, secure setups combined with high quality and reliable hardware. They provide you with absolute security as they are bundled with our world-class and professional server management services. You can focus on "business generation" instead of worrying about server security, data centers, server management and other issues. We even handle abuse issues for you. You can only "WIN" with our servers and VPS offerings.


===========================
Our specialty
==============================

Unlimited support tickets
Virtualizor Power Panel included
Complete server management for servers with control panel
24×7 live chat support
Service Optimization
On-demand services
Basic and advanced security
24×7 server monitoring with statistics (on demand)
Industry-leading SLA for support
Third party support
=================================
In case you do not want to get any further


We proudly support:

[​IMG]In case you do not want to get any further


All plans include a 24×7 surveillance coverage worth $ 10.99 / month at no cost.

We are also specialized in Application Server Management for Jboss / Tomcat as well as ready to use Cloudstack / Openstack Setups and other customized setups.

Join Now!! for our management services.

|| Tecsys Solutions LLC | The performers surpass !! ||
|| Outsourced Server Management and Technical Support Solutions ||
|| Now with Secure Managed VPS and dedicated servers designed specifically for hosting providers || || https://www.24x7TechnicalSupport.net ||