نتایج جستجو برای: cfi 097

تعداد نتایج: 2734  

2017
Qintao Shen Lei Luo Jun Ma Jie Yu Qingbo Wu Yongqi Ma Zhengji Liu

Control Flow Integrity (CFI) is one of the most promising technique to defend Code-Reuse Attacks (CRAs). Traditional CFI Systems and recent Context-Sensitive CFI use coarse control flow graphs (CFGs) to analyze whether the control flow hijack occurs, left vast space for attackers at indirect call-sites. Coarse CFGs make it difficult to decide which target to execute at indirect control-flow tra...

2011
Gang Tan Yan Chen George Danezis Bin Zeng Greg Morrisett

In many software attacks, inducing an illegal control-flow transfer in the target system is one common step. ControlFlow Integrity (CFI [1]) protects a software system by enforcing a pre-determined control-flow graph. In addition to providing strong security, CFI enables static analysis on lowlevel code. This paper evaluates whether CFI-enabled static analysis can help build efficient and valid...

Journal: :Comprehensive psychiatry 2016
Rebecca Band Ella Chadwick Hannah Hickman Christine Barrowclough Alison Wearden

PURPOSE The current study aimed to examine the reliability of the Five Minute Speech Sample (FMSS) for assessing relative Expressed Emotion (EE) compared with the Camberwell Family Interview (CFI) in a sample of relatives of adult patients with Chronic Fatigue Syndrome (CFS). METHOD 21 relatives were recruited and completed both assessments. The CFI was conducted first for all participants, w...

2005
M. Kadler P. A. Hughes E. Ros M. F. Aller H. D. Aller

In this letter we present the results of a wavelet analysis of the radio light curve of the BLLac Object PKSB0048−097 from the University of Michigan Radio Astronomy Observatory monitoring program at 8GHz during twenty-five years, from 1979 to 2004. The results show a remarkable periodicity of 450–470 days in the early 1980s that changed to a ∼585 day periodicity in the late 1980s to early 1990...

Journal: :Antimicrobial agents and chemotherapy 2014
I H Norville G J Hatch K R Bewley D J Atkinson K A Hamblin J D Blanchard S J Armstrong J K Pitman E Rayner G Hall J Vipond T P Atkins

Encapsulation of antibiotics may improve treatment of intracellular infections by prolonging antibiotic release and improving antibiotic uptake into cells. In this study, liposome-encapsulated ciprofloxacin for inhalation (CFI) was evaluated as a postexposure therapeutic for the treatment of Coxiella burnetii, the causative agent of Q fever. Intranasal treatment of male A/Jola (A/J) mice with C...

Journal: :Journal of applied physiology 2016
Ricardo L Cordioli Aissam Lyazidi Nathalie Rey Jean-Max Granier Dominique Savary Laurent Brochard Jean-Christophe M Richard

The optimal ventilation strategy during cardiopulmonary resuscitation (CPR) is unknown. Chest compression (CC) generates circulation, while during decompression, thoracic recoil generates negative pressure and venous return. Continuous flow insufflation of oxygen (CFI) allows noninterrupted CC and generates positive airway pressure (Paw). The main objective of this study was to assess the effec...

2016
Patrick Wollgast Robert Gawlik Behrad Garmany Benjamin Kollenda Thorsten Holz

Memory corruption vulnerabilities are still a severe threat for software systems. To thwart the exploitation of such vulnerabilities, many different kinds of defenses have been proposed in the past. Most prominently, Control-Flow Integrity (CFI) has received a lot of attention recently. Several proposals were published that apply coarse-grained policies with a low performance overhead. However,...

Journal: :Proceedings of the National Academy of Sciences 2018

2017
Thomas Nyman Jan-Erik Ekberg Lucas Davi N. Asokan

With the increasing scale of deployment of Internet of Things (IoT), concerns about IoT security have become more urgent. In particular, memory corruption attacks play a predominant role as they allow remote compromise of IoT devices. Control-flow integrity (CFI) is a promising and generic defense technique against these attacks. However, given the nature of IoT deployments, existing protection...

Journal: :CoRR 2012
Ni Lao Jun Zhu

Structure learning of Conditional Random Fields (CRFs) can be cast into L1-regularized optimization problems, which can be solved by efficient gradient-based optimization methods. However, optimizing a fully linked model may require inference on dense graphs which can be time prohibitive and inaccurate. Gain-based or gradient-based feature selection methods avoid this problem by starting from a...

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