Overview Machine learning models trained using gradient descent can be forced to make arbitrary misclassifications by an attacker that can influence the items to be classified. The impact of a misclassification varies widely depending on the ML model’s purpose and of what systems it is a part. Description This vulnerability results from using gradient descent to determine classification of inputs via a neural network. As such, it is a vulnerability in the algorithm. In plain terms, this means that the currently-standard usage of this type of machine learning algorithm can always be fooled or manipulated if the adversary can interact with it. What kind or amount of interaction an adversary needs is not always clear, and some attacks can be successful with only minor or indirect interaction. However, in general more access or more interaction options reduce the effort required to fool the machine learning algorithm. If the adversary has information about some part of the machine learning process (training data, training results, model, or operational/testing data), then with sufficient effort the adversary can craft an input that will fool the machine learning tool to yield a result of the adversary’s choosing. In instantiations of this vulnerability that we are currently aware of, “sufficient effort” ranges widely, between and weeks of commodity compute time. Within the taxonomy by , such misclassifications are either perturbation attacks or adversarial examples in the physical domain. There are other kinds of failures or attacks related to ML systems, and other ML systems besides those trained via gradient descent. However, this note is restricted to this specific algorithm vulnerability. Formally, the vulnerability is defined...
Institution of Electronics and Telecommunication Engineers , Nagpur Centre has organized a webinar on topic “ Cyber Security for Women. “Senior Police Inspector Ashok Bagul was key note speaker. Many viewers was on line to understand the modus operandy of cyber crime and remedies to overcome it. Dr. Soni Chaturvedi Asso Professor form PIET was Coordinator for event. Dr. Sanjay Badjate Chairman IETE and Principal SBJITMR, Dr. Suresh Rangankar from SVPCETand Secretary IETE, Dr. Salim Chavan Principal GWCET , Dr.Rajkishor Tugnayat, Principal SSACECE Wardha , Dr. Bhushan Joshi Principal Cummins COE Nagpur and many more members of IETE was on line for webinar. Dr Sanjay Uttarwar a renowned academician and orator from central India and ,Principal of VIT Nagpur was present online for the event. Program starts with introduction of guest and necessity of awareness about cyber crime. At the beginning organizer elaborate the need of hour and importance of cyber security in today’s busy life. During his lucid delivery SPI Ashok Bagul explains the various modes of cyber crime and narrate the consequences of care less attitude on the part of women. Generally it is observed that some womens are casual about their financial transactions and didn’t follow security norms, which results in occurrence of cyber crime. Now a days cyber crime is a burning topic and every now and then we observe that there is occurrence of it in online transactions in Banks. One should not share its credentials, PIN , OTP to any unknown person for any cause. Banks are also alerting us many times for not to share it. Speaker shares the other cyber crimes...
Freelancing and working from home are the two buzzwords that keep swirling around media ever since the pandemic started. True, both trends have a longer life than the end of 2019, but repetitive lockdowns and social distancing forced many people into a new work style, that didn’t use to be so easily accepted by companies with a more conservative culture. And you know what? A large majority of the people who got to experience work from home (or WFH) say they like the style and want to continue it even when the pandemic will be just a bad memory. And why shouldn’t they? There are lots of benefits to this lifestyle when it is possible to establish a trust-based connection between employer and employee. More importantly, the WFH experience allowed many people to taste the world of freelancing, and some of them got hooked. So, if you are interested in making the switch between employment and becoming your own boss, here are a few steps to get you closer to your goal in 2021. Make Sure You Understand the Implications This part is crucial in your journey to being self-employed! Many people feel they want a change from their 9-to-5 job but forget to research what it actually means to be on your own, without the support and guidance of a managerial team. First and foremost, a freelancer is an entrepreneur who offers their skills as services. For instance, someone who works as a computer programmer will market their skills to get various freelancing contracts with companies and individuals who need their help. On the same note, a web...
Tracey Perry was 34 when she had what she characterizes as “a vision between wake and sleep state.” Years later, she still remembers it vividly. “I was on a large stage and preaching to a sea of people,” Perry said Friday. “I couldn’t count them all. I knew from that, there was a call. I said, ‘God, if this is what you want, you’ll open these doors.’” It took a while, but they opened. And they are ajar. Perry, now 53, was a successful website developer in the Baltimore area, doing much work as a contractor for the federal government, including the Department of Homeland Security and at the Pentagon, before she became a minister nearly five years ago. On Sunday, she will be officially installed as the senior minister at Faith United Church of Christ, 1020 Walnut St., in Windsor. It’s a formal step in the sense that she has been on the job since December 30. The installation service will be at 3 p.m., and it will be followed by a dinner reception. Rev. Tracey Perry “Sunday signifies arrival for me,” Perry said. “That I have arrived into what God has called me to, to serve this church. It’s completion. I’ve learned that I’m serving a very compassionate church, that I’m serving a very family-oriented church. So many of the people are related. . . It’s a very blessed time. It’s wonderful. God called me here. The church is doing phenomenally well with membership. God’s moving.” It’s the next chapter in an unlikely story. Ten years after that vision, she said, she founded a women’s Bible study...
Last year we launched our PWA with an aim to improve the experience of our users on slow and inconsistent network connections. It was the first step towards the quality of products we strive for. We received a very positive response from the community as well as our customers and wanted to replicate the same success for our mobile application too. An ideal mobile application should be an extension of the mobile web instead of being a replacement. Challenges We are building experiences on 3 different platforms, namely: Android, iOS and the web (desktop and mobile). This means duplication of business logic across 4 codebases, which is not the best thing to do if you go by DRY. It also means introducing new features or modifying existing features requires making the necessary changes across 4 separate codebases. This is not scalable at all and the platforms would soon end up being out of sync. Finally, we would have to build and strategically expand 3 separate teams of developers for each of the 3 platforms. Objectives To overcome these challenges, we decided to place our bets on the newly emerging breed of cross-platform native apps built with a modern frontend stack in JavaScript. We began implementing the apps with the following main objectives: Although the apps would be written in JavaScript, they should not compromise on the experience and responsiveness that users associate with ‘native’ apps. In simpler words, if you’re the user, the app should feel just like any other native app on the App Store or Play Store. The app should reuse as much code as possible across...
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