I created this post for the Studyblr Masterpost Jam, check out the tag for more cool masterposts from folks in the studyblr community!
What is cybersecurity?
Cybersecurity is all about securing technology and processes - making sure that the software, hardware, and networks that run the world do exactly what they need to do and can't be abused by bad actors.
The CIA triad is a concept used to explain the three goals of cybersecurity. The pieces are:
Confidentiality: ensuring that information is kept secret, so it can only be viewed by the people who are allowed to do so. This involves encrypting data, requiring authentication before viewing data, and more.
Integrity: ensuring that information is trustworthy and cannot be tampered with. For example, this involves making sure that no one changes the contents of the file you're trying to download or intercepts your text messages.
Availability: ensuring that the services you need are there when you need them. Blocking every single person from accessing a piece of valuable information would be secure, but completely unusable, so we have to think about availability. This can also mean blocking DDoS attacks or fixing flaws in software that cause crashes or service issues.
What are some specializations within cybersecurity? What do cybersecurity professionals do?
incident response
digital forensics (often combined with incident response in the acronym DFIR)
reverse engineering
cryptography
governance/compliance/risk management
penetration testing/ethical hacking
vulnerability research/bug bounty
threat intelligence
cloud security
industrial/IoT security, often called Operational Technology (OT)
security engineering/writing code for cybersecurity tools (this is what I do!)
and more!
Where do cybersecurity professionals work?
I view the industry in three big chunks: vendors, everyday companies (for lack of a better term), and government. It's more complicated than that, but it helps.
Vendors make and sell security tools or services to other companies. Some examples are Crowdstrike, Cisco, Microsoft, Palo Alto, EY, etc. Vendors can be giant multinational corporations or small startups. Security tools can include software and hardware, while services can include consulting, technical support, or incident response or digital forensics services. Some companies are Managed Security Service Providers (MSSPs), which means that they serve as the security team for many other (often small) businesses.
Everyday companies include everyone from giant companies like Coca-Cola to the mom and pop shop down the street. Every company is a tech company now, and someone has to be in charge of securing things. Some businesses will have their own internal security teams that respond to incidents. Many companies buy tools provided by vendors like the ones above, and someone has to manage them. Small companies with small tech departments might dump all cybersecurity responsibilities on the IT team (or outsource things to a MSSP), or larger ones may have a dedicated security staff.
Government cybersecurity work can involve a lot of things, from securing the local water supply to working for the big three letter agencies. In the U.S. at least, there are also a lot of government contractors, who are their own individual companies but the vast majority of what they do is for the government. MITRE is one example, and the federal research labs and some university-affiliated labs are an extension of this. Government work and military contractor work are where geopolitics and ethics come into play most clearly, so just… be mindful.
What do academics in cybersecurity research?
A wide variety of things! You can get a good idea by browsing the papers from the ACM's Computer and Communications Security Conference.
Some of the big research areas that I'm aware of are:
cryptography & post-quantum cryptography
machine learning model security & alignment
formal proofs of a program & programming language security
security & privacy
security of network protocols
vulnerability research & developing new attack vectors
Cybersecurity seems niche at first, but it actually covers a huge range of topics all across technology and policy. It's vital to running the world today, and I'm obviously biased but I think it's a fascinating topic to learn about. I'll be posting a new cybersecurity masterpost each day this week as a part of the #StudyblrMasterpostJam, so keep an eye out for tomorrow's post! In the meantime, check out the tag and see what other folks are posting about :D
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Summary: Henry and Mila meet again after two years
Pairing: Henry Cavill/OFC
Warnings: A little swearing, like two words
"And what did you do after that?" Doctor Leitmann adjusted his glasses.
"I invited some friends over and I drank, a lot." Mila was completely honest as that was the deal between the two of them.
"Mhm, you see, it's not uncommon for people to swap one addiction with another and, let's face it, craving for a soulmate is sort of an addiction. Not rarely do people substitute this addiction with a different one, the one that allows them not to feel."
"I don't plan on doing that, but I have to admit that it did make me forget, even for only a few hours."
"Alright. Now, can you, please, tell me how you felt after you had left Henry at the restaurant."
Mila put both of her legs on the chair where she was sitting, hugging her shins, leaning chin on her knees. "Disappointed. Sad. Hollow. Piqued. Broken. Angry."
"Were you angry because of the way he treated you or because you didn't bond?"
"Because of the way he acted, the fact he doesn't feel the same about me makes me devastated."
"That's good, some people get angry at their soulmate because they don't feel the same way, but that is not something they chose, just like you didn't choose to feel this way for him, that is destiny. Now I'm going to ask you to do something you probably won't like, but you need it in order to begin your healing."
"Please, do."
"I need to contact Henry one more time, just to make sure. Ask him to meet you, try to explain that he got the wrong picture of you."
"Is that really necessary?" Mila felt like throwing up just thinking about it.
"I'm afraid it is, if you don't do this, you will always live with a grain of doubt."
"Well, my pride is already bruised, so what is there left to lose?"
"We will talk again last week, like we agreed. Until then, I want you to practice all the breathing techniques I showed you and everything else."
"I will, thank you."
"You have my number, if get into crises, feel free to call me at any hour."
"Thank you. Goodbye, doctor."
Mila decided to rip off the band aid right away.
Dear Henry,
Can we meet again? I wasn't lying about what I said. Please.
"So, what are your impressions after first week as a CEO?" James asked Mila.
"It's okay, a little bit stressful, but i like the position so far. And it's not like I could even make a mistake when gramps has been checking up on me the whole time."
Robert put down his glass on a table. "That's absolutely not true."
"Really, gramps? Out of 5 business days, you visited me only 4 times and you missed the 5th one only because you had a meeting outside of town." Mila raised an eyebrow at her grandfather.
"Can you blame me for wanting to help you?" Mila's eyebrow shot up even higher. "Okay, I just have to make sure that you have everything under control before I retire."
"Dad, we all know that you are never going to retire. Or you will, for a month or two." Rose joined the conversation.
"I second that." James supported his wife.
"We agree too," twins exclaimed in unison and once again their family was creeped out by the fact that they often said the exact same thing at the exact same time.
"Anyhow, I invited you here for a reason. So, you all know how I've always talked about finding my other half..." three silent nods followed, and two eye rolls - which were followed by their mother's death glare. "Well, that's not happening. I mean, it did happen, I met him, but we didn't bond. He simply doesn't feel it." Everyone kept silent, staring at her, except for uncle Blake, his eyes were fixated on the table. "I seeked professional help and I was advised to share this with my family, not to keep it inside. I've tried contacting him again, but he ignored me, so, definitely, that's it. I didn't even know that that could happen, but it can and it did happen to me." She took a deep, shaky breath.
"Cuz," Stephan grabbed Mila's hand and she expected words of support coming from him, "do you want us to kick his ass? We can do that much."
"I highly doubt that would be possible."
"Do you really think we can't do that, that we aren't strong enough? Who is that guy?" Mike supported his brother.
"Your favourite Superman."
"Christopher Reeve? He's a little dead I'm afraid."
"Okay, your second favourite."
"Cavill?"
"That's the one."
"Okay, maybe we cannot fight him, but he just dropped to the bottom of my list."
"Thanks, Mike, it means a lot to me."
"That's not fair." Everyone turned to Rose. "It's just not. Why would that happen, why to you?"
"Auntie, I will be fine, it will not be easy, but I will truly be fine. Don't you know me? I have my job to keep me busy, I will do different stuff to keep me occupied, like Sudoku, crosswords, playing video games, reading. I won't sink." Mila wasn't saying this just so Rose would calm down, she was sure she could do it, because she had to.
Robert walked over to his granddaughter speechlessly, he kissed her forehead before he excused himself to go to the bathroom, only Blake noticed a single tear rolling down his cheek, but he chose not to mention it even to his wife.
Rose insisted on staying with Mila overnight, but Mila refused. She needed to be alone, she needed to figure this out on her own. After she had bid them goodbye, she did the dishes, really focusing on what she was doing and it took her three times longer than necessary. Dishwasher wasn't even an option in her recent past or future, she used everything, every possible chore to get her mind of the way Henry felt.
Nights were the worst, she didn't know it at this moment, but it would take her months to be able to fall asleep without much trouble. Tonight wasn't an exception either, so Mila threw a blanket over her back, sitting in front of a glass wall of her living room, watching clouds get rid of excess energy, shooting up lightnings.
Waking up 2 hours before having to go to work was difficult at first, but Mila got used to it now. Doing morning yoga and meditation became a forced habit of hers, she did it so much that she got trained to block Henry's feelings within minutes, but not this morning. She almost never got the feeling of sadness and pain coming from him and even if she did, it was for a very short time. This morning those feelings wouldn't go away, it took her a lot to tone them down to a point she only felt them in traces.
The same thing happened the next day and the day after the next one. On the third day, she could barely eat her lunch, so she retreated to her office and decided to do something she hasn't done since a few days after she had met Henry. She put his name in Google search engine and pressed enter.
Henry Cavill breks up with a long time girlfriend as she finds her soulmate
Elaine Svensson finds her soulmate, dumps Henry Cavill
Henry Cavill is back on the dating market
Those were the first three results. Oh, that's what's going on. No wonder he's been feeling this way. Now that she knew what was going on, she though it would be easier for her to block it. Knowing how much love he felt, it wasn't a surprise he felt that way.
After finishing her yoga session, Mila made herself a cup of tea. She got her phone off a charger to check her social networks, but she was surprised to see that she got a an e-mail on her personal address last nigh. She opened it and stared at it for quite some time, it was an e-mail she should've received 2 years ago.
I was wrong, you are not just some crazy fan.
I did some research about you, I asked around, I know who you are.
We need to meet, does tomorrow work for you? I'll come to your hotel.
Henry
She wasn't sure whether she wanted to answer at first, but she wasn't like him, even if her response was negative, she wanted to do it. She just wasn't sure what to write, so she opted for a short one.
FUCK YOU!
No, that's a little harsh, it would be rude for you to write it.
SCREW YOU! GO TO HELL!!!
She pressed backspace until everything was deleted. Breathe, Mila. She knew exactly what was going on, he wanted her to be his rebound. Otherwise, she would feel the change in his feelings. He knew her love would be unconditional, that she would never leave him, but she wasn't anyone's second choice, not even his. She deserved better.
Dear Mr. Cavill,
Thank you for your e-mail.
Unfortunately, tomorrow doesn't work for me. As a matter of fact, any day after tomorrow doesn't work for me either.
Best regards and good luck in your future endeavors,
Mila Radcliffe
She did 15 more minutes of meditation again and then continued her day as usually, like nothing happened. Today was the day her company organized annual blood donating day. Her grandfather started it after her mother had been in a need of blood while in the hospital, even though it didn't do much for her in the end, Robert realized the importance of blood donating. He saw it as an homage to her daughter and Mila continued his legacy.
When she was done with daily reports, she joined her coworkers in a conference room where blood donating was held. She was among the last ones, she greeted her colleagues first: "Hello everyone, you are doing an amazing thing, thank you." Then she greeted the medical staff before she filled in a standard form, they checked her hemoglobin level and then she proceeded to a quick doctor's check up. "Is everything alright, doctor?"
"It is, thank you for doing this again."
"Pleasure is all mine." Mila feed access to her biceps.
"Okay, let's check your blood pressure now." Doctor wrapped and inflatable cuff around her arm, she waited for a few seconds. "You are good to go. I just have one more question. I see in the system that you are a bone marrow donor to, have you ever donated?"
"Unfortunately, no. Nobody ever matched with me."
"Chances are 1:430, but even if you never get matched, just applying is a very noble thing. Well, that's all from me, you know the procedure."
It took less than 5 minutes for Mila to finish up the blood drawl, she thanked everyone again and left the conference room. The ones who donated blood didn't have to go back to work, especially if their job involved using physical strength, hers didn't and she was used to donating blood.
She rolled down her sleeve and continued to her office. Path leading there went through the hotel lobby, so she smiled and nodded at the front desk staff and tried to hurry in order not to disturb guests and visitors sitting there, but soon she stopped in her track when she heard someone calling her once and she knew exactly who he was.
"Mila," Henry approached her, confident steps, deep voice, arm firmly outstretched towards her.
If they were alone, she would've never accepted his hand, but she didn't want to make a scandal. She shook his hand for a second and she instantly started resenting herself for feeling the same electrical current coming through her like when she touched him the first time. "I think I made it clear that I didn't want to see you," she tried to be quiet enough so nobody else could her.
"Can we go somewhere more private, please?" Henry didn't pay much attention to her when they met, but now that he looked at her, she was beautiful. She was significantly shorter than him even on heels, he usually dated tall girls, but women's height wasn't something that was of utmost importance for him. Her large blue eyes had something worm in them even though her voice was ice cold. Since this was his best option, he could make it work, it wouldn't be so difficult. Maybe one day he would come to love her, now that Elaine would never be his again.
Mila looked him straight in the eye, his eyes looked tired and dark circles around his eyes gave out the fact that he didn't sleep in God knows how long. "Only because I don't need any kind of scandal here, let alone one caused by me. You can follow me to my office."
Henry followed silently, taking his time to analyze her appearance further. Her long dark brown curls bounced in the rhythm of her footsteps, she was on a skinnier side, but her ass didn't look skinny at all.
Mila pressed her ID card against a card reader and a door opened. "Please, go ahead," she held the door for him. They passed a few offices until they reached hers. When they entered, she gestured for him to have a seat on the opposite side of her desk, across from her chair. "Okay, go ahead. What do you want?"
"I need to apologize for my previous behavior first. I couldn't even grasp what you felt in that moment when you met me. You know, Elaine left me, about two weeks ago, we were out in a club and it was over in minutes. The person I though was the love of my life left me in about 15 minutes for her soulmate, after all the years we spent together, after I moved here for her. All of that didn't matter. That's when I saw how powerful that force is. I wish I could feel the same for you."
Mila looked at his blue eyes at first, noticing a little brown patch in one. In order to focus on what he was saying, she focused on a pile of papers in front of her. He sounded hurt and a part of him wanted to help him, to console him, but the part who wanted to kill him for even thinking about her as a consolation price won. "How stupid do you think I am? No, you don't. You wish your soulmate was Elaine and now that you can't have her anymore, you came to pick up your second prize. You miscalculated a bit, I learned to live without you and I'd rather be alone my whole life than feel like a silver medal you won, when all you've ever wanted was to win gold."
"That's not..."
"Let me stop you right there, I don't want you to waste your time anymore, nor do I want to waste mine." Mila stood up, she was the one who offered her hand now first.
Henry took it and shook it gently, he really thought that she would agree, he needed her to. He wanted to belong somewhere. "If you ever change your mind, you know how to find me."
"I won't and, please, if you ever run into me, just pretend that you didn't see me and that you don't know me, it will make things easier for me. Now, if you don't mind, I have a lot of work, you know your way out." She set back on the chair and gestured towards the door. "Goodbye, Mr. Cavill."
"Goodbye, Mila."
She waited until she heard a vague click of the second door before she threw a paper clip at the door, all of her pens followed. She slammed a drawer shut and then kicked a garbage can, feeling completely helpless. Then she lay on the floor in a fetal position, hoping the pain would go away and that her tears would dry soon.
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