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Showing posts with label internet security. Show all posts
Showing posts with label internet security. Show all posts

Thursday, 11 August 2016

Hackers Breach the Ultra-Secure Messaging App Telegram in Iran

Telegram

Telegram Accounts Hacked – Susceptibility of SMS Text Message


According to Reuters, over a dozen Iranian Telegram accounts, like the messaging app having a focus on security have been compromised in the last year due to the susceptibility of an SMS text message.They have recognized around 15 million Iranian users’ phone numbers, which seems to be the biggest known breach of the encrypted communication systems as informed by cyber researchers to Reuters.

 According to independent cyber researcher Collin Anderson and Amnesty International technologist Claudio Guarnieri, studying Iranian hacking groups for three years has informed that the attack which had occurred this year, had not been reported earlier, has endangered the communication of activists, journalist together with several others in sensitive positions in Iran, where Telegram is said to be utilised by around 20 million users.

Telegram tends to endorses itself as an ultra-secure instant messaging system since all the data is encrypted from beginning to end which is known as end-to-end encryption. Various other messaging services comprising of Facebook Inc., WhatsApp state that they have the same proficiencies. Telegram, which is headquartered inBerlin, states that it has 100 million active subscribers and is extensively usedin Middle East, inclusive ofthe Islamic State militant group and in Central and Southeast Asia as well as Latin America.

Authorization Code –Diverted by Phone Company/Shared with Hackers


According to Anderson and Guarnieri, the susceptibility of Telegram is in its use of SMS text messages in activating new devices. When a user tends to log on to Telegram from a new phone, the company directs them with an authorization code through SMS which can be diverted by the phone company and shared with the hackers, according to the researchers.

Equipped with the codes, the hackers can now add new devices to the Telegram account of the user enabling them to read chat histories together with the new messages. Anderson had informed during an interview that they had over a dozen cases where Telegram accounts have been negotiated through ways that sound like fundamentally coordinated with the cellphone company.

According to the researchers, Telegram’s dependence on SMS verification tends to make it defenceless in any country where the cellphone companies are possessed or profoundly influenced by the government.

Iranian Hacking Group – Rocket Kitten


Telegram spokesman stated that customers could defend against these attacks by not relying on the verification of SMS. Telegram enables though it is not essential that customers create passwords which could be reset with the so-called recovery emails.

The spokesman, Markus Ra has informed that if one has a strong Telegram password and the recovery email is secure, the attackers can do nothing about it. The researchers believe that the Iranian hacking group Rocket Kitten is responsible for the Telegram breaches based on resemblances to the setup of past phishing attacks credited to the group.

There is a prevalent rumour that Rocket Kitten tends to have ties to the Iranian government. John Hultquist, managing the cyber espionage intelligence team at the security firm FireEye, of Rocket Kitten has informed that `their focus generally revolves around those with an interest in Iran and defense issues however their action is completely global. With regards to Telegram attacks, it has also been suggested by the researchers that SMS messages could have been conceded by Iranian cell phone companies, which is an industry that has prospective links with the government

Wednesday, 4 May 2016

Hackers Steal Millions of Minecraft Passwords

Minecraft

Minecraft Passwords Stolen by Hackers


Login data of more than seven million members of the Minecraft site Lifeboat has been stolen by hackers. Lifeboat is a service for determined servers and customized multiplayer games for Minecraft Pocket Edition and this data breach tends to affect customers who seem to use the service. If one has used Minecraft Pocket Edition without signing up for Lifeboat, it is ok but if one used Lifeboat, they would possibly get a message compelling them to change the password for the site in early 2015 which was because the company was aware about the hack, though it had not made the information public till recently. Lifeboat permits members to run servers for customised, multiplayer maps for smartphone edition of Minecraft.

There is confirmation that the information that is stolen comprising of email addresses and passwords is provided on site that trade in hacked data. Investigation recommends that passwords were weakly protected and hence attackers could work them out with ease. Evidence regarding the breach had been passed to Tony Hunt, independent security expert, who stated that he had received the list from someone who tends to trade in stolen identifications. Most of the people had informed him that the data had been circulating on dark net sites.

Passwords for Lifeboat Hashed – Little Security


Mr Hunt had mentioned that the data had been stolen in early 2016 though the breach had only been known, now. He said that passwords for Lifeboat accounts were hashed though the procedure utilised provided little security. Hashing is said to be a technique utilised to scramble passwords in order that they are not easily read if the data tends to get stolen or lost. According to Mr Hunt, usually a Google search for hashed password would practically provide it in an accurate plain text and people familiar in cracking tools could possibly computerize and accelerate this procedure.

He further stated that a Google search for a hashed password could quickly return the correct plain text value and well known cracking tools could automate as well as speed up this procedure. He had mentioned in a blogpost regarding the breach that a large percentage of those passwords would be reverted to plain text in a short time. He also informed that this often tends to lead to other security problems since several people re-use passwords and find out one which could lead attackers to compromise accounts on other sites. Lifeboat, in a statement provided to Motherboard, had stated that it had taken action in limiting the damage.

How to Minimise Damage to Users


It informed the news site that when this occurred in early January, they figured the best thing for their players was to quietly force password resets without letting the hackers know they had limited time to act, adding that it now used stronger hashing procedures. It also mentioned that they had not received any reports of anyone being damaged by this. Mr Hunthad been critical of the company for `quietly’ compelling the password re-set stating this policy had left him speechless.

As an alternative, he said that Lifeboat should have done more in alerting users so that they could change passwords rapidly if they used the same one on other sites. He said that the first thing which should be a priority with any company after an incident like this is `How to minimise the damage to the users’.