human: Given a node-centered hypergraph: <hypergraph>, where nodes represent papers and hyperedges represent sets of papers co-cited by a source paper.

Details of the hypergraph:
Center node: "social engineering in a post phishing era ambient tactical deception attacks"
  Abstract: It is an ordinary day working from home, and you are part of a team that regularly interacts over email. Since this is your main line of communication, the company trained you to spot phishing emails. You've learned to skip over emails that exhibit obvious phishing red flags: suspicious links, attachments, grammar errors, etc. You just received an email from your boss about a major project on which you play a critical role. The email is more demanding than usual, even impolite. Your boss has generally seemed more upset with you lately, so you approach them to express your concerns and clear the air. Your boss is not receptive to your feedback. This causes a rift that impacts your working relationship, compromising the effectiveness and productivity of the entire team. You have been a victim of an Ambient Tactical Deception (ATD) attack. We developed and tested a proof-of-concept social engineering attack targeting web-based email users. The attack is executed through a malicious browser extension that acts as a man-in-the-middle and reformats the textual content to alter the emotional tone of the email. The objective of ATD is not stealing credentials or data. ATD seeks to coerce a user to the attacker's desired behavior via the subtle manipulation of trusted interpersonal relationships. This goes beyond simple phishing and this paper reports the findings from study that investigated an ATD attack on the politeness strategy used in work emails.

Connected through hyperedge HE-1 (induced by source paper "manipulation of perceived politeness in a web based email discourse through a malicious browser extension"):
  with members:
    - "all you need is love evading hate speech detection"
    - "sorry ambient tactical deception via malware based social engineering"
    - "defending against phishing attacks taxonomy of methods current issues and future directions"

Question: Please tell me which class the center node belongs to. The 40 classes are: cs.NA(Numerical Analysis), cs.MM(Multimedia), cs.LO(Logic in Computer Science), cs.CY(Computers and Society), cs.CR(Cryptography and Security), cs.DC(Distributed, Parallel, and Cluster Computing), cs.HC(Human-Computer Interaction), cs.CE(Computational Engineering, Finance, and Science), cs.NI(Networking and Internet Architecture), cs.CC(Computational Complexity), cs.AI(Artificial Intelligence), cs.MA(Multiagent Systems), cs.GL(General Literature), cs.NE(Neural and Evolutionary Computing), cs.SC(Symbolic Computation), cs.AR(Hardware Architecture), cs.CV(Computer Vision and Pattern Recognition), cs.GR(Graphics), cs.ET(Emerging Technologies), cs.SY(Systems and Control), cs.CG(Computational Geometry), cs.OH(Other Computer Science), cs.PL(Programming Languages), cs.SE(Software Engineering), cs.LG(Machine Learning), cs.SD(Sound), cs.SI(Social and Information Networks), cs.RO(Robotics), cs.IT(Information Theory), cs.PF(Performance), cs.CL(Computation and Language), cs.IR(Information Retrieval), cs.MS(Mathematical Software), cs.FL(Formal Languages and Automata Theory), cs.DS(Data Structures and Algorithms), cs.OS(Operating Systems), cs.GT(Computer Science and Game Theory), cs.DB(Databases), cs.DL(Digital Libraries), cs.DM(Discrete Mathematics). Directly output the class name.

gpt: cs.CR(Cryptography and Security)