Chris Clark – författare

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Secure today's mobile devices and applications

Implement a systematic approach to security in your mobile application development with help from this practical guide. Featuring case studies, code examples, and best practices, Mobile Application Security details how to protect against vulnerabilities in the latest smartphone and PDA platforms. Maximize isolation, lockdown internal and removable storage, work with sandboxing and signing, and encrypt sensitive user information. Safeguards against viruses, worms, malware, and buffer overflow exploits are also covered in this comprehensive resource.

Design highly isolated, secure, and authenticated mobile applicationsUse the Google Android emulator, debugger, and third-party security toolsConfigure Apple iPhone APIs to prevent overflow and SQL injection attacksEmploy private and public key cryptography on Windows Mobile devicesEnforce fine-grained security policies using the BlackBerry Enterprise ServerPlug holes in Java Mobile Edition, SymbianOS, and WebOS applicationsTest for XSS, CSRF, HTTP redirects, and phishing attacks on WAP/Mobile HTML applicationsIdentify and eliminate threats from Bluetooth, SMS, and GPS services

Himanshu Dwivedi is a co-founder of iSEC Partners (www.isecpartners.com), an information security firm specializing in application security. Chris Clark is a principal security consultant with iSEC Partners. David Thiel is a principal security consultant with iSEC Partners.

This book offers a critical introduction to professional ethics for social workers. It recognises that social work is largely a state sponsored activity and therefore poses issues in political theory. The traditional values and rules of practice ethics are explained using plentiful examples. The critique is followed by an innovative concept of social work and its relationship to the state. A new approach to practice ethics is developed based on four cardinal principles of respect, justice, citizenship and discipline.

The Hammersmith Nude Murders is the name of a series of six murders in West London, England, in 1964 and 1965. The victims, all sex workers, were found undressed in or near the River Thames. Two earlier murders, committed in West London in 1959 and 1963, have also been linked by some investigators to the same perpetrator.There have been at least eight other publications covering these crimes, with speculation about who was responsible, but none conclusively identifying any individual.Despite intense media interest and one of the biggest manhunts in Scotland Yard's history, the case is unsolved. Forensic evidence gathered at the time is believed to have been destroyed or lost.In this book the authors have identified a viable new suspect who had the Method, Motive and Opportunity to have committed these murders. He was a minder in the illegal drinking dens, both The Tennis Club and The Jazz Club, a taxi driver from Notting Hill who in 1964 moved to a flat at 3 Amelia House off Queen Caroline Street just half a mile from where Hannah Tailford was found in The Thames, he rubbed shoulders with the last 5 victims, whose Fiancé was a hairdresser to at least five of the victims and who enjoyed forced deep fellation; a fetish that the lead officer, Chief Superintendent John Du Rose identified as the cause of asphyxiation to each of the victims.

In March 2011, a major police investigation was opened in the search for missing Swindon local, Sian O'Callaghan. When taxi driver Christopher Halliwell was arrested, Detective Superintendent Stephen Fulcher didn't expect what happened next.After the body of another missing girl, Becky Godden-Edwards, was uncovered, the police had two murders on their hands and one suspect, but how many more unsolved murders could Christopher Halliwell be responsible for? The hidden cache of around 60 pieces of women's clothing and accessories that he led police to suggests that the number could be much higher than the two murders he has been convicted of.In The New Millennium Serial Killer, former police intelligence officer Chris Clark and true crime podcast host Bethan Trueman use their in-depth research to present a comprehensive study into convicted killer Christopher Halliwell. Discussing the crimes for which he was convicted but presenting them alongside the unsolved cases of missing and murdered women who fit with his victim type, and who went missing in the areas where he was familiar, from the 1980s to the time of his arrest in 2011. With many jobs over the years which allowed Halliwell to travel to different areas of the UK, along with a passion for fishing and narrow boating, including Yorkshire, East Lancashire, and the Midlands.With a foreword by former Detective Superintendent Stephen Fulcher, The New Millennium Serial Killer presents a fascinating account of this cruel killer and tells the heartbreaking stories of over twenty women whose cases remain unsolved today, seeking to find justice for their loved ones who are still waiting for answers. Do they remain with Christopher Halliwell and the collection of women's items?

In the Summer of 1972, 14-year-old Judith Roberts took off for a bike ride within the vicinity of her Staffordshire home. Her body was discovered after a three-day manhunt, concealed from view in a thick privet having been brutally attacked. The community of Tamworth was rocked by the news of her death and an outcry for justice ensued.Within weeks of her murder, an impressionable and troubled soldier, based in the nearby barracks, 17-year-old Andrew Evans, walked into a police station and confessed to the killing. Relentlessly interviewed for hours on end without representation or an appropriate adult present, Andrew was swiftly charged with Judith's murder. Despite attempting to recount his statement and a legal defence at trial that defied the prosecution's arguments that Andrew Evans was guilty, a judge sentenced him to life behind bars. He was eventually acquitted in 1997 in what was, at the time, Britain's longest miscarriage of justice.While Andrew Evans fought for his freedom, another man drove up and down England undetected: Peter William Sutcliffe. Eventually proven capable of inflicting unimaginable horror at any given opportunity, an independent inquiry dubbed him likely responsible for more murders than the 13 he was convicted of and the seven others he attempted between 1975 and 1980.In _The Murder of Judith Roberts_, Chris Clark and Tanita Matthews examine evidence that concludes that Sutcliffe, whose violent criminal history dates back as far as 1969, was the real culprit responsible for Judith's murder. With never before-published dialogue from Andrew Evans' police interviews showing the grave miscarriage of justice, the case file of the five-decade cold case is examined under a new light.

In 1994, Robert Black was convicted of the kidnapping, sexual assault and murder of three young girls, and sentenced to life imprisonment with a minimum tariff of thirty-five years; in 2011 he was convicted of a fourth such killing. He died in HMP Maghaberry, Northern Ireland, in January 2016, aged sixty-eight, unmourned, and entirely unrepentant of his repellent crimes.These bald facts, horrific as they are, do not begin to scratch the surface of the truth about Robert Black, a Scottish-born serial killer who undoubtedly committed further murders for which he was never tried, both in this country and on the Continent. In this ground-breaking account, Robert Giles, who has spent years tracing the killer's movements and sifting through all the evidence, including transcripts of the trials, convincingly argues that Black was an habitual serial killer over many years, and quite certainly responsible for more than the four child murders for which he was convicted.Co-written with Chris Clark, a former police intelligence officer whose tireless work into the Yorkshire Ripper produced convincing new evidence of other murders that went unnoticed or unrecorded, The Face of Evil shows once and for all that Robert Black was a serial killer whose crimes went far beyond what is generally believed. In doing so, it paints a portrait of human cruelty at its worst.

The police believed Sutcliffe was operating only in the Greater Manchester Police, South Yorkshire Police and West Yorkshire Metropolitan Police force areas, using his car. In fact, Sutcliffe was operating nationally and internationally, using his employer's lorry to commit attacks. Authors Chris Clark and Tim Hicks have meticulously researched Sutcliffe's crimes and reveal many of his previously unknown victims for the first time. The police failed to deliver justice for the victims' families, and the media has failed to hold the police to account for this failure - both in the original investigation and in subsequent cold-case investigations. The authors hope that by bringing more of the facts of the case into the public domain and by telling the victims' stories, they can help to bring closure for friends and relatives of victims of the Yorkshire Ripper.

Handling personal and often sensitive information is central to daily practice in social and health services. However, the increasing emphasis on multi-disciplinary and inter-agency working required for effective, joined-up services presents new challenges and dilemmas in preserving citizens' rights to privacy. This book examines key philosophical, ethical and legal issues in the area of privacy and confidentiality and explores their implications for policy and practice. ,Offering a range of analytical frameworks the book focuses on different practice areas, including health and social care, children's services and criminal justice. The contributors from disciplines including law, philosophy, anthropology and the personal service professions bring their direct personal experience of working to create new systems and practices in a turbulent policy environment. The book provides a synoptic multi-disciplinary view of this increasingly challenging area where technological development, civil liberties, surveillance, health and welfare become inexorably intertwined.The book will be of key interest to professionals, managers, policy makers and academics in the health and personal social services. Students of social work, probation, medicine, nursing and professions allied to medicine will find a common multidisciplinary framework for their respective professional concerns to protect the interests and promote the wellbeing of clients, their families and the wider community.

Handling personal and often sensitive information is central to daily practice in social and health services. However, the increasing emphasis on multi-disciplinary and inter-agency working required for effective, joined-up services presents new challenges and dilemmas in preserving citizens' rights to privacy. This book examines key philosophical, ethical and legal issues in the area of privacy and confidentiality and explores their implications for policy and practice. ,Offering a range of analytical frameworks the book focuses on different practice areas, including health and social care, children's services and criminal justice. The contributors from disciplines including law, philosophy, anthropology and the personal service professions bring their direct personal experience of working to create new systems and practices in a turbulent policy environment. The book provides a synoptic multi-disciplinary view of this increasingly challenging area where technological development, civil liberties, surveillance, health and welfare become inexorably intertwined.The book will be of key interest to professionals, managers, policy makers and academics in the health and personal social services. Students of social work, probation, medicine, nursing and professions allied to medicine will find a common multidisciplinary framework for their respective professional concerns to protect the interests and promote the wellbeing of clients, their families and the wider community.

Maximum sustainable output offers increased economic and environmental resilience at both the individual farm and wider industry levels.The Profitable Farm is a pragmatic guide for farmers and other interested parties to maximum sustainable output (MSO) concepts, practices and applications. The Profitable Farm is suitable for farmers seeking greater resilience and increased profitability, academics who need to re-visit the ‘Standard Theory of The Firm’ as it applies to farming, and policy-makers charged with responsibility to secure food-supplies and provide support programmes for the sector.The Profitable Farm provides both the technical background and the practical implications of MSO practices. In particular, it addresses the inescapable realities of energy issues on profitability and environmental damage. Case studies are used throughout to emphasise key points and the appendices will satisfy those wishing to delve further into the technical concepts behind MSO. Unlike most publications on farming, which tend to focus on farming practices, sectoral economics (at a national planning level) or environmental impact issues, The Profitable Farm is essentially about farming as businesses with significant responsibilities to the natural environment and uncompromised animal welfare.

Care professionals constantly confront the problem of balancing the need to obtain optimal satisfaction of users' needs without regard for their means, with the concerns of managers and policy makers to measure and regulate costs. Drawing on current research, this book assesses the issues and problems arising as social work and services departments learn how to implement the new community care legislation.It is based on the view that costing care must entail a synthesis of the different philosophies of care, entitlement and public accountability; this includes welfare professionals whose focus in on the needs of the client, managers and policy makers whose focus in on the public costs of welfare, and users and their families who have most to gain or lose.Drawing on the experience of researchers, practitioners and managers, the book explores the development of policies for different types of service and support, and application of assessment tools. In particular, the problem of estimating costs and evaluating alternatives is examined. The practicalities of costing individual care packages for different client groups are critically examined, alongside the implications of devolved budgeting and fee charging.