Error en Medicina

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Carlos Renato Cengarle

Deteccion de las principales causales que llevan a la aparición de errores en la práctica médica

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bogomolova1879

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Mircea Tivadar

Over the past several years there has been a noticeable rise in the number of reported targeted attacks, which are also commonly referred to as advanced persistent threats (APTs). This is seen by security experts as a landscape shift from a world dominated by widespread malware that infect indiscriminately, to a more selectively targeted approach with higher gain. One thing that is clear about targeted attacks is that they are difficult to detect, and not much research has been conducted so far in detecting these attacks. In this paper, we propose a novel system called SPuNge that processes threat information collected on the users' side to detect potential targeted attacks for further investigation. We use a combination of clustering and correlation techniques to identify groups of machines that share a similar behavior with respect to the malicious resources they access and the industry in which they operate (e.g., oil & gas). We evaluated our system against real data collected by an antivirus vendor from over 20 million customers installations worldwide. Our results show that our approach works well in practice and is helpful in assisting security analysts in cybercrime investigations.

HTTP(S)-Based Clustering for Assisted Cybercrime Investigations

Marco Balduzzi

Cctk support for setting hdd password

artisriva

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Mazin Ahmed

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ika aprilia

чынгыз айтматов Small

Kamchibekova Rakia

Cloud computing security policy framework for mitigating denial of service at...

Venkatesh Prabhu

Cloud services such as Amazon’s EC2 and IBM SmartCloud allow users to create and share virtual images (AMIs) with other users. In addition to these user-shared images, the cloud providers also provide AMIs that have been preconfigured with popular software such as open source databases and web servers. This talk explores both the privacy and the security risks associated with renting and using public AMIs from cloud computing providers. We will present SatanCloud, our automated system that we used to analyze and test over 5,000 server images provided by Amazon in its four data centers of US, Europe and Asia. From our analysis, we discovered that both the users and the providers of public AMIs are vulnerable to security risks such as data leakage, unauthorized access, malware infections, and loss of sensitive information.

HITB2012AMS - SatanCloud: A Journey Into the Privacy and Security Risks of Cl...

Marco Balduzzi

Why AIS is not always enough

Pole Star Space Applications

While input validation vulnerabilities such as XSS and SQL injection have been intensively studied, a new class of injection vulnerabilities called HTTP Parameter Pollution (HPP) has not received as much attention. HPP attacks consist of injecting encoded query string delimiters into other existing parameters. If a web application does not properly sanitize the user input, a malicious user can compromise the logic of the application to perform either client-side or server-side attacks. One consequence of HPP attacks is that the attacker can potentially override existing hard-coded HTTP parameters to modify the behavior of an application, bypass input validation checkpoints, and access and possibly exploit variables that may be out of direct reach. In the talk we present the first automated system for the detection of HPP vulnerabilities in real web applications. Our approach consists of injecting fuzzed parameters into the web application and a set of tests and heuristics to determine if the pages that are generated contain HPP vulnerabilities. We used this system to conduct a large-scale experiment by testing more than 5,000 popular websites and discovering unknown HPP flaws in many important and well-known sites such as Microsoft, Google, VMWare, Facebook, Symantec, Paypal and others. These sites have been all informed and many of them have acknowledged or fixed the problems. We will explain in details how to efficiently detect HPP bugs and how to prevent this novel class of injection vulnerabilities in future web applications.

HTTP Parameter Pollution Vulnerabilities in Web Applications (Black Hat EU 2011)

Marco Balduzzi

All content not indexed by traditional web-based search engines is known as the DeepWeb. Wrongly been associated only with the Onion Routing (TOR), the DeepWeb's ecosystem comprises a number of other anonymous and decentralized networks. The Invisible Internet Project (I2P), FreeNET, and Alternative Domain Names (like Name.Space and OpenNic) are examples of networks leveraged by bad actors to host malware, high-resilient botnets, underground forums and bitcoin-based cashout systems (e.g., for cryptolockers). We designed and implemented a prototype system called DeWA for the automated collection and analysis of the DeepWeb, with the goal of quickly identifying new threats as soon they appear. In this talk, we provide concrete examples of how using DeWA to detect, e.g., trading of illicit and counterfeit goods, underground forums, privacy leaks, hidden dropzones, malware hosting and TOR-based botnets.

Cybercrime in the Deep Web (BHEU 2015)

Marco Balduzzi

600.412.Lecture02

ragibhasan

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Xavier Puig de las Heras

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bogomolova1879

AIS, Automatic Identification System, is a promoted standard and implementation for vessels traffic safety and monitoring. With more than 400,000 installations worldwide, AIS is currently a mandatory installation for commercial vessels and a de-facto equipment for leisure crafts. AIS is largely used in ports worldwide -- Rotterdam alone monitors over 700 AIS-enabled vessels each day, serving 32,000 seagoing and 87,000 inland vessels a year. Back in October 2013, during HITB KUL, we showed that AIS is hardly broken, both at implementation and protocol level, and it suffers from severe vulnerabilities like spoofing and man-in-the-middle. In this talk, we extend our research by sharing with the audience several novel attacks that we recently discovered, for example how to extensively disable AIS communications or attack the software installed at back-end by port authorities. By doing so, we hope to raise the necessary awareness and lead the involved parties into calling for a more robust and secure AIS.

AIS Exposed. New vulnerabilities and attacks. (HITB AMS 2014)

Marco Balduzzi

ОО" Шоола Кол" презентация Результаты поиска Санкт-Петербург 14 октября

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HTTP(S)-Based Clustering for Assisted Cybercrime Investigations

Cctk support for setting hdd password

Softworx Enterprise Asset Management 101 - Presentation Template

Backup-File Artifacts - OWASP Khartoum InfoSec Sessions 2016 - Mazin Ahmed

TUGAS PTI MOTHERBOARD DAN MODEM

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Cloud computing security policy framework for mitigating denial of service at...

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HTTP Parameter Pollution Vulnerabilities in Web Applications (Black Hat EU 2011)

Cybercrime in the Deep Web (BHEU 2015)

600.412.Lecture02

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Adauga un text

Family tree

AIS Exposed. New vulnerabilities and attacks. (HITB AMS 2014)

ОО" Шоола Кол" презентация Результаты поиска Санкт-Петербург 14 октября

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