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\title{Ph.D. Research proposal: Physics Based Security}
\subtitle{}
\date{}
\author{Arthur Grisel-Davy}
\institute{University of Waterloo, Canada}

\begin{document}

\maketitle

\begin{frame}{Introduction}
    \begin{center}

    \end{center}
    
\end{frame}

\begin{frame}{Common IDS Solution}
    % Figure from the EMSOFT presentation with the different side channels and our solution
    \begin{center}
        \only<1>{\includegraphics[width=\textwidth]{images/main_illustration_p1.pdf}}
        \only<2>{\includegraphics[width=\textwidth]{images/main_illustration_p2.pdf}}
        \only<3>{\includegraphics[width=\textwidth]{images/main_illustration_p3.pdf}}
        \only<4>{\includegraphics[width=\textwidth]{images/main_illustration_p4.pdf}}
    \end{center}
\end{frame}

\begin{frame}{Features of Side-Channels}
    \begin{columns}
    \begin{column}{0.5\textwidth}
        {\color{green}Advantages}
        \begin{itemize}
            \item Easy to Measure
            \item Hard to Forge
            \item Independent from the System
            \item Low Intrusiveness
            \item No Client Required
        \end{itemize}
    \end{column}
    \begin{column}{0.5\textwidth}
        {\color{red}Inconvenients}
        \begin{itemize}
            \item Only Partial Information
            \item Aggregated Signal of All Components
            \item Require New Processing Tools
        \end{itemize}
    \end{column}
    \end{columns}
\end{frame}

\begin{frame}{Prelimirary Work - EET1}
    \begin{figure}
        \centering
        \includegraphics[width=\textwidth]{images/overview_eet1.pdf}
    \end{figure}
    Attacks: Firmware Changes, SSH Logs Tempering, Hardware Tempering
\end{frame}

\begin{frame}{Prelimirary Work - EET1: Firmware}
    \begin{figure}
        \centering
        \includegraphics[height=0.9\textheight]{images/Firmware_Comparison_TD_direct.pdf}
    \end{figure}
\end{frame}

\begin{frame}{Prelimirary Work - EET1: Firmware}
    \begin{table}[ht]
    \centering
    \begin{tabular}{lccc}
        \toprule
        \textbf{Attack} & \textbf{Model} & \textbf{F1 Score} & \textbf{Accuracy} \tabularnewline
        \midrule
        \multirow{2}*{Firmware Changes DC} & RFC & \numprint[\%]{100}  & \numprint[\%]{100} \tabularnewline
                                           & SVM & \numprint[\%]{96.8} & \numprint[\%]{99.3}\tabularnewline
        \midrule
        \multirow{3}*{SSH Logs Tempering}& RFC &    \numprint[\%]{95}  & \numprint[\%]{97} \tabularnewline
                                         & SVM &    \numprint[\%]{96} & \numprint[\%]{98} \tabularnewline
                                         & 1D-CNN & \numprint[\%]{93} & \numprint[\%]{96} \tabularnewline
        \midrule
        \multirow{3}*{Hardware Tempering} & DC SVM &  & \numprint[\%]{100} \tabularnewline
                                          & DC KNN &  & \numprint[\%]{100} \tabularnewline
                                          & AC SVM &  & \numprint[\%]{99.5} \tabularnewline
        \bottomrule
    \end{tabular}
\end{table}

    \footnote{Published in \textit{Side-channel Based Runtime Intrusion Detection for Network Equipment} at MLCS (Workshop of ECML-PKDD 2023)}
\end{frame}

\begin{frame}{ Preliminary Work - xPSU}
    \begin{figure}
        \centering
        \includegraphics[height=0.9\textheight]{images/xpsu_illustration.pdf}
    \end{figure}
\end{frame}

\begin{frame}{Preliminary Work - SDS \& BPV}
    \begin{figure}
        \centering
        \includegraphics[width=\textwidth]{images/sds_illustration.pdf}
    \end{figure}
\end{frame}

\begin{frame}{Preliminary Work - SDS \& BPV}
    \begin{figure}
        \centering
        \includegraphics[width=0.9\textwidth]{images/training_bpv.pdf}
    \end{figure}
\end{frame}

\begin{frame}{Preliminary Work - SDS \& BPV}
\begin{table}[ht]
\centering
\begin{tabular}{lccc}
    \toprule
    \textbf{Test Case} & \textbf{Experiment} & \textbf{F1 Score} \tabularnewline
    \toprule
    \multirow{4}*{Network Devices} & TP-Link switch & 0.87\tabularnewline
                                   & HP switch & 0.98 \tabularnewline
                                   & Asus Router & 1.00\tabularnewline
                                   & Linksys Router & 0.92\tabularnewline
    \midrule
    \multirow{4}*{Drone} & Original & 1.00\tabularnewline
                         & Compiled & 1.00\tabularnewline
                         & Low Battery & 1.00\tabularnewline
                         & Bootloader Bug & 1.00\tabularnewline
    \bottomrule
\end{tabular}
\end{table}
    \footnote{Published in \textit{Work-in-Progress: Boot Sequence Integrity Verification with Power Analysis} at EMSOFT 2022\\
    and in \textit{Independent Boot Process Verification using Side-Channel Power Analysis} at QRS 2023}
\end{frame}

\begin{frame}{Overview}
    \begin{figure}
        \centering
        \includegraphics[width=\textwidth]{images/intro_dsd.pdf}
    \end{figure}
\end{frame}

\begin{frame}{Main problem Statement}
    \textbf{Problem Statement 1}
    \textit{
    Given a discretized time series $t$ and a set of patterns $P=\{\chi, P_1,\dots, P_n\}$, identify an injective mapping $m_{SSSM}:\mathbb{N}\longrightarrow P$ such that every sample $t[i]$
    maps to a pattern in $P$ with the condition that the sample matches an occurence of the pattern in $t$.
}
\end{frame}

\begin{frame}{Overview of the Problems}
    % Figure from the EMSOFT presentation with the different side channels and our solution
    \begin{center}
        \only<1>{\includegraphics[width=\textwidth]{images/map_illustration_Page 1.pdf}}
        \only<2>{\includegraphics[width=\textwidth]{images/map_illustration_Page 2.pdf}}
        \only<3>{\includegraphics[width=\textwidth]{images/map_illustration_Page 3.pdf}}
        \only<4>{\includegraphics[width=\textwidth]{images/map_illustration_Page 4.pdf}}
    \end{center}
\end{frame}

\begin{frame}{Planned Work - SSSM}
    \begin{figure}
        \centering
        \includegraphics[width=0.9\textwidth]{images/dsd_illustration.pdf}
    \end{figure}
\end{frame}
\begin{frame}{Planned Work - SSSM}
    \begin{figure}
        \centering
        \includegraphics[width=0.9\textwidth]{images/dsd_acc.pdf}
    \end{figure}
\end{frame}
\begin{frame}{Planned Work - SSSM}
    \begin{figure}
        \centering
        \includegraphics[width=0.9\textwidth]{images/preds.pdf}
    \end{figure}
\end{frame}

\begin{frame}{Planned Work - SSSM}
    Next Steps:
    \begin{itemize}
        \item Evaluate performances on a wider range of devices.
        \item Increase realiability of results (investigate differential shrinkage).
    \end{itemize}
\end{frame}

\begin{frame}{Planned Work - SSMM}
    \begin{figure}
        \centering
        \includegraphics[width=0.9\textwidth]{images/ssmm_illustration.pdf}
    \end{figure}
\end{frame}

\begin{frame}{Planned Work - SSMM}
    Next Steps:
    \begin{itemize}
        \item Developp capture system.
        \item Evolve the SSSM system for multi-variate support.
        \item Evaluate performances.
    \end{itemize}
\end{frame}


\begin{frame}{Planned Work - MSSM}
    \begin{figure}
        \centering
        \includegraphics[height=0.9\textheight]{images/mssm_illustration.pdf}
    \end{figure}
\end{frame}

\begin{frame}{Planned Work - MSSM}
    Next Steps:
    \begin{itemize}
        \item Developp new method for AC State Detection.
    \end{itemize}
\end{frame}

\begin{frame}{Conclusion}
    \begin{itemize}[<+- | alert@+>]
        \item Preliminary work illustrates potential and identified a gap.
        \item Three main problems identified:
            \begin{itemize}[<+- | alert@+>]
                \item SSSM shows good results so far.
                \item SSMM is an extension of preliminary work.
                \item MSSM remains untackled.
            \end{itemize}
        \item This topic is captivating to me.
    \end{itemize}
\end{frame}


\end{document}

