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23 May 2016

Bug hunter found ways to hack any Instagram accounts

How to hack an Instagram account? The answer to this question is difficult to find, but a bug bounty hunter just did it without too many difficulties. Belgian bug bounty hunter Arne Swinnen discovered two vulnerabilities in image-sharing social network Instagram that allowed him to brute-force Instagram account passwords and take over user accounts with minimal efforts.

Both brute-force attack issues were exploitable due to Instagram’s weak password policies and its practice of using incremental user IDs. "This could have allowed an attacker to compromise many accounts without any user interaction, including high-profile ones," Swinnen wrote.

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Tags:
Instagram information leaks brute-force
Source:
The Hacker News
2515
28 Dec 2015

Botnet of Aethra routers used for Brute-Forcing WordPress sites

Italian security researchers from VoidSec have come across a botnet structure that was using vulnerable Aethra Internet routers and modems to launch brute-force attacks on WordPress websites.

This particular incident was uncovered after one of the VoidSec researchers was sifting through his WordPress log file and found a brute-force attack coming from the same IP range. After further investigation, all the IPs came from six Internet Service Providers: Fastweb, Albacom, Clouditalia, Qcom, WIND, and BSI Assurance UK, four of which are from Italy. What all these networks had in common were Aethra routers.

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Tags:
information leaks brute force WordPress
Source:
Softpedia
2106
21 Apr 2015

Cracking passwords with statistics

When hackers or penetration testers compromise a system and want access to clear text passwords from a database dump, they must first crack the password hashes that are stored.

Many attackers approach this concept headfirst: They try any arbitrary password attack they feel like trying with little reasoning. This discussion will demonstrate some effective methodologies for password cracking and how statistical analysis of passwords can be used in conjunction with tools to create a time boxed approach to efficient and successful cracking. Password cracking is a dying enterprise.

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Tags:
password hackers brute force
Source:
Praetorian
Author:
Julian Dunning
2325
21 Nov 2014

How to detect brute force attacks?

A brute force attack is, simply, an attack on a username, password, etc. that systematically checks all possible combinations until the correct one is found. Scripts are usually used in these attacks to automate the process of arriving at the correct username/password combination.

This is why time is of the essence when it comes to detecting and stopping a brute force attack – the more time the attacker has, the more passwords can be tried. Brute force attacks are one of the few hacks detectable by their volume, rather than their type. As an IT professional - do you know what a brute force attack is, how to spot one when it happens, and how to prevent it?

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Tags:
brute force information leaks password
Source:
The Hacker News
2743
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Axarhöfði 14,
110 Reykjavik, Iceland

Iceland - 2015