Threat Assessment Ranks Cyber Related Vulnerabilities

The 2014 Worldwide Threat Assessment ranks cyber-related vulnerabilities as the number one homeland security threat against the United States. In addition to cyber threats within the nation, Russia and China continue to hold views substantially divergent from the United States on the meaning and intent of international cyber security. Also stated within the 2013 Worldwide Threat Assessment is North Korea as they are becoming a tier one threat to the United States. Supervisory Control and Data Acquisition has been seen as vulnerable and is noted as a severe threat to the nation’s critical infrastructure. James R. Clapper, Director of National Intelligence, states, â€Å"Critical infrastructure, particularly the Industrial Control Systems (ICS)†¦show more content†¦If the America’s power grid were to suffer a major attack, it could have cascading effects that would impact other primary areas of the infrastructure, including telecommunications, water, oil and gas systems. The purpose of this paper is to elaborate on the issues surrounding SCADA systems and its vulnerabilities. Within this will be previous SCADA attacks against critical infrastructures, recommended solutions for prevention and risk assessment regarding power grids. Vulnerabilities of SCADA Systems â€Å"The potential for such attacks has risen sharply in recent years as many SCADA systems, including those at some very large public power companies, are increasingly integrated with networks with direct links to the Internet.† (Vijayan, 2010) It was stated by the Wall Street Journal that cyber spies in Russia, China and other countries had already taken advantage of such vulnerabilities to deeply penetrate the U.S electrical grid. This issue is not just a current problem but will continue to escalate in the future going forward along with advances in new technologies. â€Å"Thus the security for SCADA systems can no longer rely on obscurity or on being a function of locking down a system. 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The World Trade Center, Flight 93 And The Conspiracies...

Pratt Institute The World Trade Center, Flight 93 and The Conspiracies Surrounding 9/11 Dana Weiss World Civilization II/CH 400 Jeffrey Surovell November 22, 2016 History has been defined time and time again by powerful people or groups shaping the social narrative of influential events. Made most famous by Winston Churchill, the notion of history being written by victors pays no more relevant context than the events surrounding the morning of September 11th, 2001. There is no doubting the historical significance of this morning, â€Å"The horrifying atrocities of September 11 are something quite new in world affairs†¦ this is the first time since the War of 1812 that the national territory has been under attack, or even threatened,† (Chomsky, 11). As with any major event in human history there have been a handful of explanations, most notably from the American government itself, and yet since the moment the first plane collided into the World Trade Center as many questions as answers have arisen from the rubble. This paper will explore a variety of conspiracy theories that have surfaced due to contradictory scientific evidence and government influence regarding the World Trade Center buildings and Flight 93. First, we will examine the meaning of a conspiracy theory itself. 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Epidemiology Persistent Psychological Disorder

Question: Discuss about theEpidemiologyfor Persistent Psychological Disorder. Answer: Introduction Schizophrenia is an acute and persistent psychological disorder, which influences the thought process, feelings and behavioral pattern of a person. They seem to lose touch and connection from the reality. The symptoms of Schizophrenia are extremely disabling. The signs generally emerge within the age group of 16 to 30 years (Ripke et al., 2014). The symptoms can be categorized as positive, negative and cognitive. The positive symptoms are the frantic behavioral patterns that are not commonly seen in healthy subjects. They include hallucination, delusion, unusual thinking pattern and restricted body movements (Ripke et al., 2014). The negative symptoms are further drastic and results in memory impairment. The patients have reduced pleasure in day-to-day life, reduced expression of thoughts and feelings, difficulty in sustaining and starting actions and reduced speech. The cognitive symptoms are sometimes precised in some people while in others they are serious. The symptoms include la ck of comprehensibility and attention. Schizophrenia has several predisposing factors that contribute to the development of the disease. They can be due to genetic inheritance and several environmental factors like virus exposure, lack of nutrition before birth, problems during the gestation period and delivery. The other factors include psychosocial determinants, difference in brain structure and chemistry (Stadnick, Haine-Schlagel Martinez, 2016). Obstetrics or obstetric events are related to the process of childbirth. The obstetric events are increasing the incidence and chances of schizophrenia. The epidemiological studies have investigated the incidence rate and frequency of the disease across a wide range of population and geography (Beary, Hodgson Wildgust, 2012). The assignment vividly discusses the rationale of the study, overview of a peer reviewed article and review of few other related articles to assess the associations between obstetric events and risk of developing Scizophrenia. Overview of a Peer Reviewed Article According to a Danish national register based study, a nested case control study was made to examine the obstetric events associated with the risk of developing Schizophrenia. 1039 subjects were taken as samples who were not previously contacted by the Danish Psychiatric services that were under the ICD-8 or ICD-10 diagnosis of the disease and 24,826 subjects were taken as controls. The obstetric factors, family history of psychiatry, sociological and economical factors along with demographic determinants were the considered risk factors. The chance of developing Schizophrenia was found to be associated with a range of obstetric events. The incidence rate ratio was 2.08, with 95% confidence interval at 1.0 and 4.4 in maternal non-attendance at antenatal appointments. The incidence rate ratio was 1.51, with 95% confidence interval at 1 and 2.2 in the duration of gestational period or below. The incidence rate ratio was 8.2, with 95% confidence interval at 1.4 and 48.8 in the maternal influenza. The incidence rate ratio was 2.72, with confidence interval of 955 at 1.0 and 7.3 in preeclampsia. In cases of threatened premature delivery, the incidence rate ratio was 2.39, with 95% confidence interval at 1.4 and 4.1. The incidence rate ratio was found to be 2.43 with 95% confidence interval at 1.1 and 5.6 in cases where hemorrhage occurred during the delivery of the baby. In cases where the babies have been extracted manually, the incidence interval ratio was found to be 2.15, with confidence interval of 95% at 1.1 and 4.4. In cases of maternal sepsis during childbirth and puerperium, the incidence rate ratio was found to be 2.91, with confidence interval of 95% at 1.1 and 7.9. Univariate models and multivariate models were used for estimations of the interaction between the several obstetric factors. The various criteria like family history, demographic factors, age, and mothers citizenship were used for the analysis and interpretation of results. Significant intera ctions were not witnessed in case of either of the models. It was finally stated that a strong association might be found between risk of developing the disease and factors. The factors are hemorrhage, pre-eclampsia and rupturing of membrane during and prior to the labor period (Dalman et al., 1999). The risk of developing the disease increased significantly on exposure to pre-eclampsia, hypoxia might develop during delivery and was found to be associated with hemorrhage. Obstetric complications like pre-matured birth, pre term delivery, anemia of the mother and manual extraction are the other associated factors that increase the probability of its occurrence. The study did not find any significant or prominent interaction among the various obstetric factors and sex or family history of psychosis. However, the data obtained during the conduct of the experimental study indicated that there was an association between a range of obstetric determinants and likelihood of developing Schiz ophrenia. The determinants of obstetric events were prematurity, infections to the mother, maternal behavioral pattern and hypoxia indicators. The association was found by making fewer adjustments with the most possible confounding factors (Byrne et al., 2007). Critical Appraisal on Observed Association Between Exposure and Outcome using Hierarchy of Evidence According to a study, association between the obstetric events and chances of development of Schizophrenia was found. 538 children were taken as case with Autism Spectrum disorder, which is a form of Schizophrenia, 163 of them was taken who had developmental delays. 421 individuals were taken as developmental controls. The information related to exposure were taken via telephonic interviews. The outcomes were confirmed clinically. It was found that neither of the Autism Spectrum Disorder and developmental delays were found to be associated with influenza rather they were found to have associations with maternal fever during the gestation period. The association between maternal fever (exposure) and the disorder or delays (outcomes) was due to the biological mechanism. When bacteria or virus invade the human body, leukocytes respond by stimulation of the inter-leukins and interferon. This results in elevation of the temperature. However, there are multiple pathways for induction of th e fever by interleukins. It had been reported that associations had been found between maternal infections and risk of neurological developmental disorders (Zerbo et al., 2013). A study was made on obstetric complications and schizophrenia. The study compared the incidence of obstetric events among children of such mothers who had schizophrenia spectrum psychoses and the control groups included normal healthy children. The study also investigated the relation between the obstetric complications and mortality rate of children with such psychiatric disorders. The females who were born within the period of 1916-1948 were monitored who were admitted for the first time in the Helsinki Psychiatric hospitals. 271 cases and 242 controls were selected for the study. The Cox regression model were applied for assessment and analysis of the exposure and outcome association. It was reported at the end of the study that the hazard rate ratio was 3.73 with confidence interval of 95% at 1.27 and 11.01 in case of maternal infections. In the cases of hypertension during the pregnancy period, the hazard rate ratio was found to be 4.09 with confidence interval of 95% at 1.15 an d 14.58. In cases of placental abnormalities, the ratio was found to be 4.09 with confidence interval of 95% at 1.59 and 10.49. Hence, it was assessed and concluded that the risk of developing Schizophrenia developed with the associated obstetric complications.. It implies that there is a modest association between exposure and outcome (Suvisaari et al., 2013). According to a case-control study, the obstetric complications along with other factors like dysfunctional motor activities and others were associated with risk of developing Schizophrenia. The case group consisted of the subjects diagnosed with Schizophrenia and control groups were selected from the healthy population. The interactions between the obstetric factors and risk of development of the disease were found to be strong. However, the lack of sufficient prospective data was considered as the limitations of the study (Laurens et al., 2015). According to a study, it was found that the psychological state of the mother could have negative impact on the pregnancy and the fetal health. The study measured the exposure levels of a selected population with similar complications and risk factors rather than assessment at the individual level. The studies examined that the maternal stress was linked with the outcomes. The off springs were diagnosed with the disease and the interactions had been found between the obstetric events and the outcomes of the disease (Kenny, Everard Khashan, 2014). A study analyzed the association between the obstetric events and later development of Schizophrenia. A cohort study was made in Australia, which examined the stress full experience of the mothers during the pregnancy period and occurrence of the disease in the off springs in later phase of life. The results of the study showed that the prenatal stressful incidents had indirect relationship with behavioral problems in the children. There was no such interactions observed in cases where the individuals were selected within the age group of 5. It was found that above 5 years the children showed some levels of behavioral changes and were diagnosed with Psychiatric disorders. The study further confirmed the part played by the stressful prenatal period by further analysis of the children at early developmental stages (Betts et al., 2014). A study examined the associations between perinatal factors and risk of development of psychiatric disorders like Schizophrenia. The study involved 56 subjects with psychological disorder related to the perinatal complications. The study was based on case-control design. The sample cases were selected from a national registered sample that was assessed during the period of 1988-2000. The controls were selected from healthy population who had no psychiatric diagnosis. The statistical logistic regression technique was used to compare the exposure and outcomes in the case and control groups. It was found that the asphyxia and delivery complications might contribute to the risk of developing the psychiatric disorder. The other important finding of the study was that the disorder was dependant on the selected control population. It reported significant associations of the disease with low birth weight, premature birth. However, the study had limitations of using selected sample with the d isease. It can be implied that there were strong associations of the disease found to be linked with obstetric factors and genetic factors (Fazel et al., 2012). According to a study, Schizophrenia is the outcome of early neurological developmental abnormalities, which involves obstetric events. The study was based on case-control design. The study involved 67 healthy participants and 29 patients with the disease. The assessments were made for duration of 0 to 8 weeks. Assessments of clinical aspects as well as neurological status were made for two hours. Obstetric complications were assessed in the study based on national health registry. It was assessed on the bases of maternal health prior to the birth of the babies as well as their mental and physical health status during the gestation period along with other associated obstetric complications. It was found that poor neurological developments are due to obstetric complications to some extent. The gestational length was the parameter to be assessed, which showed that the lengthy gestational period contributed to the development of the disease (Teigset, Mohn Rund, 2016). According to a study, environmental factors of the prenatal and perinatal aspects elevated the chances of developing Schizophrenia. The study involved 457 participants. It was reported that the obstetric events as birth weight of the babies was a contributing factor to the risk of schizophrenia. The high birth weight of more than 400 grams was found to be associated with the higher risks of the disease (Wegelius et al., 2015). A study analyzed the association of genetic inheritance, maternal stress and such obstetric events with schizophrenia. Genetic risk factors as well as environmental factors were taken into consideration for assessing the association between the exposure and outcome. It was found that the prenatal and factors related to family setup was associated with schizophrenia (Walder et al., 2014). According to a study, it was investigated that there were associations between psychological disorders in parents and risk of developing schizophrenia. The study involved 10,526 subjects. It was a cohort-control study. The reports said that high weight of the babies at birth and higher levels of literacy among the mothers were the contributing factor to the disease development (Keskinen et al., 2013). According to a study, restrictions in the growth of fetus were associated with the risk of developing schizophrenia. It was a cohort study based on population. The odds ratio or the incidence rate of the study regarding the disease showed that the risk of the disease increased proportionally with decrease in the birth weight. It was identified that among 15,622 pre-eclampsia births, 49 people were diagnosed with schizophrenia. However, further investigations could be carried regarding the associations between fetal growth retardation and developing the disease (Eide et al., 2013). A study was conducted to examine the associations between psychological disorders like schizophrenia and obstetric events. The obstetric complication considered in this study was delivery, pre and post birth complications. It was based on a case-control design. 124 children and adults were involved in the study. The results of the study stated that the children and adults with mothers having obstetric complications were at higher risk of developing schizophrenia (Ketzer et al., 2012). According to a study, demographic factors and habits like drug use during gestational period were associated with the onset of the disease of schizophrenia. It was found that use of drugs like cannabis and cocaine were associated with the outbreak of schizophrenia. It was reported that strict monitoring, delivery and family history were contributing to the development of schizophrenia (Rubio-Abadal et al., 2015). A study examined the extent to which obstetric events were associated with schizophrenia in adolescent patients. The study involved 508 adults within the age group of 12 to 17 years. The study also accounted for the sex differences. It was found that more males were diagnosed with the disease as compared to females. The disease was found to be associated with the obstetric complications (Lukkari et al., 2012). Conclusion Schizophrenia is a severe psychological disorder, which results in restricted movement and changes in behavioral pattern. The assignment critically assessed the associations of various obstetric factors with psychiatric disorders. The conclusions drawn from the selected peer reviewed article is that the development of the disease was closed related to the obstetric events like preterm birth, premature delivery, manual extraction, bleeding during the delivery of the baby, maternal infection. The other factors were also found to be related with the risk factors of the disease. It was found that the risk increased when the exposure was extended to difficult and unfavorable birth conditions and adverse pregnancy. The other reviewed articles focused on the other aspects of the obstetric events like the mental state of the pregnant mothers and stressful events during the pregnancy period. It can be concluded from the findings of the mentioned articles that the factors like psychological st atus of the mother could result in development of Schizophrenia among the children in later parts of life. The interactions of the factors with the causative outcome were found to be strong. A modest association between the disease and obstetric factors were found. Hence, it can be concluded that the occurrence of Schizophrenia is strongly related with the obstetric complications. References: Beary, M., Hodgson, R., Wildgust, H. J. (2012). A critical review of major mortality risk factors for all-cause mortality in first-episode schizophrenia: clinical and research implications.Journal of Psychopharmacology,26(5 suppl). Betts, K. S., Williams, G. M., Najman, J. M., Scott, J., Alati, R. (2014). Exposure to stressful life events during pregnancy predicts psychotic experiences via behaviour problems in childhood.Journal of psychiatric research,59. Byrne, M., Agerbo, E., Bennedsen, B., Eaton, W. W., Mortensen, P. B. (2007). Obstetric conditions and risk of first admission with schizophrenia: a Danish national register based study.Schizophrenia research,97(1). Eide, M. G., Moster, D., Irgens, L. M., Reichborn-Kjennerud, T., Stoltenberg, C., Skjaerven, R., ... Abel, K. (2013). Degree of fetal growth restriction associated with schizophrenia risk in a national cohort.Psychological medicine,43(10). Fazel, S., Bakiyeva, L., Cnattingius, S., Grann, M., Hultman, C. M., Lichtenstein, P., Geddes, J. R. (2012). Perinatal risk factors in offenders with severe personality disorder: a population-based investigation.Journal of personality disorders,26(5). Geddes, J. R., Lawrie, S. M. (1995). Obstetric complications and schizophrenia: a meta-analysis.The British journal of psychiatry,167(6). Geddes, J. R., Verdoux, H., Takei, N., Lawrie, S. M., Bovet, P., Eagles, J. M., ... Stber, G. (1999). Schizophrenia and complications of pregnancy and labor: an individual patient data meta-analysis.Schizophrenia bulletin,25(3). Kenny, L. C., Everard, C., Khashan, A. S. (2014). Maternal Stress and in Utero Programming. InHormones, Intrauterine Health and Programming(pp. 41-55). Springer International Publishing. Keskinen, E., Miettunen, J., Koivumaa-Honkanen, H., Mki, P., Isohanni, M., Jskelinen, E. (2013). Interaction between parental psychosis and risk factors during pregnancy and birth for schizophreniaThe Northern Finland 1966 Birth Cohort study.Schizophrenia research,145(1). Ketzer, C. R., Gallois, C., Martinez, A. L., Rohde, L. A., Schmitz, M. (2012). Is there an association between perinatal complications and ttention-deficit/hyperactivity disorder-inattentive type in children and adolescents?.Revista brasileira de psiquiatra,34(3). Laurens, K. R., Luo, L., Matheson, S. L., Carr, V. J., Raudino, A., Harris, F., Green, M. J. (2015). Common or distinct pathways to psychosis? A systematic review of evidence from prospective studies for developmental risk factors and antecedents of the schizophrenia spectrum disorders and affective psychoses.BMC psychiatry,15(1). Lukkari, S., Hakko, H., Herva, A., Pouta, A., Riala, K., Rsnen, P. (2012). Exposure to obstetric complications in relation to subsequent psychiatric disorders of adolescent inpatients: specific focus on gender differences.Psychopathology,45(5). Ripke, S., Neale, B. M., Corvin, A., Walters, J. T., Farh, K. H., Holmans, P. A., ... Pers, T. H. (2014). Biological insights from 108 schizophrenia-associated genetic loci.Nature,511(7510).Ripke, S., Neale, B. M., Corvin, A., Walters, J. T., Farh, K. H., Holmans, P. A., ... Pers, T. H. (2014). Biological insights from 108 schizophrenia-associated genetic loci.Nature,511(7510), 421. Rubio-Abadal, E., Ochoa, S., Barajas, A., Baos, I., Dolz, M., Sanchez, B., ... GENIPE Group. (2015). Birth weight and obstetric complications determine age at onset in first episode of psychosis.Journal of psychiatric research,65. Stadnick, N. A., Haine-Schlagel, R., Martinez, J. I. (2016). Using Observational Assessment to Help Identify Factors Associated with Parent Participation Engagement in Community-Based Child Mental Health Services. InChild Youth Care Forum(pp. 1-14). Springer US. Suvisaari, J. M., Taxell-Lassas, V., Pankakoski, M., Haukka, J. K., Lnnqvist, J. K., Hkkinen, L. T. (2013). Obstetric complications as risk factors for schizophrenia spectrum psychoses in offspring of mothers with psychotic disorder.Schizophrenia bulletin,39(5). Teigset, C. M., Mohn, C., Rund, B. R. (2016). Gestational length affects neurocognition in early-onset schizophrenia.Psychiatry Research,244. Walder, D. J., Faraone, S. V., Glatt, S. J., Tsuang, M. T., Seidman, L. J. (2014). Genetic liability, prenatal health, stress and family environment: risk factors in the Harvard Adolescent Family High Risk for schizophrenia study.Schizophrenia research,157(1). Wegelius, A., Pankakoski, M., Tomppo, L., Lehto, U., Lnnqvist, J., Suvisaari, J., ... Hennah, W. (2015). An interaction between NDE1 and high birth weight increases schizophrenia susceptibility.Psychiatry research,230(2).