Johannes Ullrich
Johannes Ullrich
Dean of Research, SANS Technology Institute
Verifierad e-postadress på sans.edu - Startsida
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Internet intrusions: Global characteristics and prevalence
V Yegneswaran, P Barford, J Ullrich
ACM SIGMETRICS Performance Evaluation Review 31 (1), 138-147, 2003
3582003
Highly Predictive Blacklisting.
J Zhang, PA Porras, J Ullrich
USENIX Security Symposium, 107-122, 2008
2082008
Measurements of polycapillary x‐ray optics
JB Ullrich, V Kovantsev, CA MacDonald
Journal of applied physics 74 (10), 5933-5939, 1993
551993
A comparative study of cyberattacks
SH Kim, QH Wang, JB Ullrich
Communications of the ACM 55 (3), 66-73, 2012
542012
DShield
J Ullrich
432000
Quantitative measurements of the performance of capillary x-ray optics
CA MacDonald, CC Abreu, S Budkov, HH Chen, X Fu, WM Gibson, ...
Multilayer and Grazing Incidence X-Ray/EUV Optics II 2011, 275-286, 1994
221994
Polycapillary X-ray optics for macromolecular crystallography
SM Owens, JB Ullrich, IY Ponomarev, DC Carter, RC Sisk, JX Ho, ...
Hard X-Ray/Gamma-Ray and Neutron Optics, Sensors, and Applications 2859, 200-209, 1996
201996
The top cyber security risks
R Dhamankar, M Dausin, M Eisenbarth, J King, W Kandek, J Ullrich, ...
SANS Institute, 2009
162009
Monolithic polycapillary neutron focusing lenses: experimental characterizations
HH Chen-Mayer, DFR Mildner, VA Sharov, JB Ullrich, IY Ponomarev, ...
Journal of the Physical Society of Japan 65 (suppl. A), 319-321, 1996
161996
Potential for concentration of synchrotron beams with capillary optics
JB Ullrich, WM Gibson, MV Gubarev, CA MacDonald, QF Xiao
Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 1994
131994
Quality of life in very elderly radiotherapy patients: a prospective pilot study using the EORTC QLQ-ELD14 module
A Kaufmann, H Schmidt, C Ostheimer, J Ullrich, M Landenberger, ...
Supportive Care in Cancer 23 (7), 1883-1892, 2015
122015
Development of monolithic capillary optics for x-ray diffraction applications
JB Ullrich, IY Ponomarev, MV Gubarev, N Gao, QF Xiao, WM Gibson
X-ray and UV detectors 2278, 148-155, 1994
121994
Gaussian process learning for cyber‐attack early warning
J Zhang, P Porras, J Ullrich
Statistical Analysis and Data Mining: The ASA Data Science Journal 3 (1), 56-68, 2010
112010
Concentration of synchrotron beams by means of monolithic polycapillary X-ray optics
JB Ullrich, KG Huang, SM Owens, DC Aloisi, FA Hofmann, N Gao, ...
Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 1995
91995
Top Ten Cyber Security Menaces for 2008
S Northcutt, E Skoudis, M Sachs, J Ullrich, T Liston, E Cole, E Schultz, ...
SANS Institute, SANS Press Room, 2008
72008
Diffraction geometry optimization with polycapillary x-ray optics
WM Gibson, CA MacDonald, JB Ullrich
EUV, X-Ray, and Neutron Optics and Sources 3767, 199-208, 1999
71999
Effects of intense x-ray radiation on polycapillary fiber performance
BK Rath, DC Aloisi, DH Bilderback, N Gao, WM Gibson, FA Hofmann, ...
X-Ray and Ultraviolet Sensors and Applications 2519, 207-217, 1995
61995
Polycapillary X-ray optics for thin film strain and texture analysis
FA Hofmann, WM Gibson, SM Lee, CA MacDonald, JB Ullrich, N Gao
MRS Online Proceedings Library Archive 505, 1997
41997
InfoSec Handlers Diary Blog
J Ullrich
22013
A new service for increasing the effectiveness of network address blacklists
J Zhang, P Porras, J Ullrich
networks 2, 1, 2007
22007
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Artiklar 1–20