NavTalks

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<h3><strong>March 2019</strong></h3>
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<td>27/03</td> <td>Andr&eacute; Oliveira</td>
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<h3><strong>April 2019</strong></h3>
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<td style="width:100px">10/04</td>
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<td style="width:300px">Adriano Serckumecka</td>
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<td style="width:600px"><span style="border-bottom: dashed 1px #000" title="SIEMs are powerful systems that can improve a company's security by reducing incident response time, neutralizing threats, and centralizing much information about its infrastructure and devices.
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However, since most SIEM systems are deployed locally for security purposes, their events are stored for short periods due to limited local storage capacity, discarding them after 12 months, sometimes less.
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Cloud storage could be a cheap option for storing these old events as they can help solve many persistent incidents such as zero-day threats, which can take years to discover. The main problem in using cloud storage for sensitive data is that providers are exposed to security leaks and attacks, which pushes away this category of users.
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In this talk, I will introduce the SLiCER system, a low cost solution that combines event processing, storage and retrieval in a safe and inexpensive way. It can work as a background system to extend the storage capacity of SIEMs for long periods.
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">SIEMs</span></td>
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<td>10/04</td> <td>Tulio Ribeiro</td>
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<td><span style="border-bottom: dashed 1px #000" title="In this NavTalk I will speak a little bit about classical consensus and Proof-of-Work consensus, what is it, its premises and how they work,
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some challenges regarding the approaches and a brief comparison about them.
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I will bring some works which try to scale the classical BFT consensus and improve PoW performance. ">BFT Consensus & PoW Consensus (blockchain). </span></td>
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Revision as of 13:07, 10 April 2019

The NavTalks is a series of informal talks given by Navigators members or some special guests about every two-weeks at Ciências, ULisboa.

Leave mouse over title's presentation to read the abstract.


Contents

Past presentations

September 2018

20 Alysson Bessani SMaRtChain: A Principled Design for a New Generation of Blockchains  
20 Rui Miguel Named Data Networking with Programmable Switches  

October 2018

4 Bruno Vavala (Research Scientist in Intel Labs) Private Data Objects  
4 Marcus Völp (Research Scientist, CritiX, SnT, Univ. of Luxembourg) Reflective Consensus  
18 Yair Amir (Professor, Johns Hopkins University) Timely, Reliable, and Cost-Effective Internet Transport Service using Structured Overlay Networks  

November 2018

13 Salvatore Signorello The Past, the Present and some Future of Interest Flooding Attacks in Named-Data Networking  
13 Tiago Oliveira Vawlt - Privacy-Centered Cloud Storage  
27 Nuno Neves Segurança de Software - Como Encontrar uma Agulha num Palheiro?  
27 Ricardo Mendes Vawlt - The Zero-knowledge End-to-end Encryption Protocol  

December 2018

11/12 António Casimiro AQUAMON: Dependable Monitoring with Wireless Sensor Networks in Water Environments  
11/12 Carlos Nascimento Review of wireless technology for AQUAMON: Lora, sigfox, nb-iot  

January 2019

15/01 Fernando Alves A comparison between vulnerability publishing in OSINT and Vulnerability Databases  
15/01 Ibéria Medeiros SEAL: SEcurity progrAmming of web appLications  
29/01 Fernando Ramos Networks that drive themselves…of the cliff  
29/01 Miguel Garcia Some tips before rushing into LaTeX (adapted from: How (and How Not) to Write a Good Systems Paper)  

February 2019

19/02 Ana Fidalgo Conditional Random Fields and Vulnerability Detection in Web Applications  
19/02 João Sousa Towards BFT-SMaRt v2: Blockchains and Flow Control  

March 2019

13/03 Fernando Ramos How to give a great -- OK, at least a good -- research talk  
13/03 Ricardo Morgado Automatically correcting PHP web applications  


March 2019

27/03 André Oliveira    
27/03 Nuno Dionísio    


April 2019

10/04 Adriano Serckumecka SIEMs  
10/04 Tulio Ribeiro BFT Consensus & PoW Consensus (blockchain).  



Upcoming presentations


April 2019

10/04 Adriano Serckumecka    
10/04 Tulio Ribeiro    
24/04 Miguel Moreira    
24/04 Pedro Ferreira    

May 2019

08/05 Diogo Gonçalves    
08/05 Vinicius Cogo    
22/05 Francisco Araújo    
22/05 Miguel Matos    

June 2019

05/06 Eric Vial    
05/06 Robin Vassantlal    
19/06 João Pinto    
19/06 Tiago Correia    

July 2019

03/07 -    
03/07 -    
17/07 -    
17/07 -    


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