The nurse on duty left after the examination.

In a place like a hospital, both doctors and nurses are people who have seen countless cases. Perhaps because of this, they behaved coldly and were not touched by the patient's emotions. However, the group of schoolgirls who were present to accompany them were different.

Everyone can see that if there is no feasible measure, the senior sister may commit suicide again. Although they can watch and avoid this kind of tragedy in a short period of time, the so-called can't hold it for a while. People really want to commit suicide, and you really can't prevent it. People make mistakes, and there will always be loopholes.

It's all to blame on the hacker who killed a thousand knives. More than one person believes that this is no accident. It is likely that there is a reason for this, a certain person or a certain group wants the senior sister to study this system, so they specially hire hackers to steal it.

After all, where is it so easy to attack those large companies that are well-defended, have a large number of hardware and software firewalls, and have professionally maintained systems?

However, having said that, it did not help. In particular, hard drives have been taken to professional data recovery companies. But the damn hackers really played the "desperate plan" too smoothly. The relevant data has been overwritten by junk data again and again, and even professional companies have been unable to recover it.

Otherwise, I wouldn't have been so completely desperate and wanted to commit suicide.

Several girls discussed together how to keep their senior sister, at least so that she would not commit suicide a second time. However, although it seems that the discussion is very hot, there is no clue at all, let alone come up with something feasible (not that there is no way, but there is no workable way). During this period, I had a boxed lunch in the hospital, but there was nothing to do.

In the end, the only feasible way was to strengthen the guarding work and assist the senior sister's family to guard it closely. One person is not enough, it takes two people, although everyone knows that this practice is a stopgap measure, and the symptoms are not the root cause, but it can only be so. I can only hope that after a little longer, the senior sister can figure it out herself.

"Her family should only come tomorrow, so tonight, we have to arrange two people to accompany ......" When discussing the issue of tonight's duty, the elevator door opened, and Lu Wu walked out of it.

"Yaoyao, your brother is here again!" Someone had sharp eyes and recognized Lu Wu at once. It's strange to say, Lu Wu's appearance can't be said to be ugly, but it's also very ordinary. Purely in terms of appearance, it is the kind that cannot be found in the pile of shame. However, after meeting Lu Wu briefly today, almost everyone was more impressed by him.

"What are you doing here?" Zhang Yao watched Lu Wu appear, and he was angry. She was a little anxious because she couldn't think of a feasible way, but at this time, Lu Wu came over again to have a lot of troubles - if you want to say that Lu Wu is a woman, you can come over to help guard the senior sister, but Lu Wu is a man!"You found it?"

Of course this is not possible – or not by normal logic. Because at the end of the day, it's been so many days since the hack was hacked. To say that when the hacker invades with a thousand knives, you have the hacking technology to conduct offensive and defensive battles across the network, prevent the other party from invading, and at least remind others to physically disconnect from the network. But it's long since it's over. It's too late. Not to mention Lu Wu, even a professional police officer is helpless - people are separated from you by thousands of mountains and rivers, not even in the same country, what can you do with others?

Zhang Yao said this, in fact, just to scold Lu Wu.

"Found it. Lu Wu took out a USB flash drive from his pocket - USB flash drives are very popular now, and he bought one directly from the Internet café, which is very cheap.

Zhang Yao was stunned. Everything was so sudden, or so surreal, that she didn't know what she was supposed to say.

She couldn't react, and another girl behind her pounced.

"Really, got it? Do you know the system?" she took the drive, but still couldn't believe it. After all, he didn't introduce too many details about the software to Lu Wu before. The other party just left for a while and came back with a USB flash drive?

This speed...... Where is it like looking for a hacker in some area, it's like going home and copying something casually and coming back.

"I don't know. Lu Wu admitted. "But that guy has a habit of storing files by date. Lu Wu thought of the master's operation, and could only say that if human beings competed with masters in computer technology, they would have completely chosen a battlefield where it was impossible to win. Your great ability can only be controlled through the operating system and various software. And people start from the bottom at all, and they can master the entire data flow every move, and even a small and non-gate switch in the VLSI in the CPU. Not to mention that if something goes wrong with the hardware, for example, the monitor hangs up or something, you will be blinded. "I found this date, and I found these documents in it. In addition, some of the documents in it are in Chinese, so it is estimated that these should be these. ”

"Really, tell my senior sister to ......."

“…… Wait a minute...... We should get a notebook...... Let's see if there's anything wrong. ”

“…… My house is close, so I hurried to get my notebook at home......"

Several women were gossiping and gossiping, and they dispersed in a blink of an eye, leaving only Lu Wu and Zhang Yao by the elevator door.

It should be noted that the elevator entrance of the hospital has a large space, which was originally designed for patients, family members, and nursing staff to have a place to make calls and chat here.

"Lu Wu," Zhang Yao stared at the brother in front of him and said word by word. "You should know that the situation of the senior sister is terrible, if this is a joke...... Whether you have good intentions or bad intentions, it will cause serious consequences!"

Many people know that the cruel thing in the world is to give you hope first, and then make you despair.

She didn't believe that Lu Wu would be able to retrieve the information lost by her senior sister in such a short period of time - of course, it had nothing to do with time, and she didn't believe that Lu Wu had this ability at all. People are hackers from a foreign land, but they are not roadside food stalls where you can buy a bowl if you want to eat.

"I know. Lu Wu nodded calmly. "It's not 100% certain, but it's probably the missing data. ”

"How did you get it back? from the hackers?"

"I have a very capable friend. Lu Wu replied sincerely.

How can it be? Is there a short period of time, but does it add up to two hours?

No matter how ignorant Zhang Yao is, he also knows that this kind of remote hacking into other people's computers (especially a hacker's computer) is definitely not a simple matter. If it was an ordinary person, at most it could only be said that the blind cat had encountered a dead mouse and encountered a completely defenseless broiler computer. But how can a hacker allow this kind of intrusion? Even if he is sleeping or going out, not in front of the computer, and forgets to turn off the computer and disconnect the network, at least they will arrange a bunch of software firewalls.

Could it be ...... A terrible thought crossed her mind inexplicably.

Zhang Yao returned to the ward, and the few people who came over first had already talked about the matter. The senior sister, who was lifeless on the hospital bed and couldn't see a trace of life in her eyes, suddenly her eyes lit up.

Of course, this is also perfectly normal – the so-called right medicine refers to this situation.

Of course, this is only good news for now, and the real situation will not be known until the laptop arrives. Fortunately, the wait was short, and after about 20 minutes, the person who went home to get the computer brought the notebook. After turning on the computer and inserting it into the USB drive, or to be more specific, when someone opened the folder on the USB drive, the person on the hospital bed let out a cry of joy almost instantly.

No other evidence is needed, this cry alone speaks for itself.

"Really...... Really ......"

"Sure enough, the algorithm of this information system ...... And here is the text of my annotation!"

After some manipulation, everyone began to investigate whether the documents were missing. After all, this is a copy from the outside, and I don't know if there is a mistake, a leak or something else. It turned out to be intact, and even some discarded materials that had been investigated in the past but were unreliable and therefore not included in the database were still there. To put it simply, it is a complete copy of it back.

At the beginning, it was fine, but with the proofreading of documents, subsystems, databases, etc., the originally lifeless room was gradually filled with happy air. If someone was present, he would probably clearly feel that what could only be described as "dead air" was slowly dissipating from the patient's face. On the contrary, the smile and vitality gradually returned.

"Well, no problem, it should be complete! By the way, who got it back?"

"Congratulations, Senior Sister Chen! Well, that's ...... This was brought back by Yaoyao's brother. ”

"Hey, your brother......? It is...... What about the other guy who showed up today?"

"You've already gone back, right?" Zhang Yao looked out the window.

"How did he get it back?" someone asked. Speaking of which, the good news came so suddenly that everyone was so attracted by the news itself that they forgot to find out what was going on.

"It is said that I found a friend and helped me get it back. Zhang Yao replied reluctantly. This was Lu Wu's answer, but she wasn't sure if this answer would be able to fool her around. In fact, if everyone knew that Lu Wu did this, she estimated that she would definitely hurt the pond fish.

Even if Lu Wu returned the things in the end, it would be the same.

Yes, Lu Wu is a hacker, and this is the only reasonable explanation. After all, to say that the hackers came from other countries or something is just a police speculation. Modern hackers, in order to prevent being caught by the other party in turn, intrude through layers of broilers (the so-called broilers are those computers controlled by Trojan horses planted by hackers) as a springboard. It can only be said that the police tracked and traced the last broiler in a foreign country, that is, Southeast Asia. After that, the trail was broken. It is unknown whether it was the hacker himself, or if it was just a springboard he controlled. From this point of view, it is normal for hackers to be Chinese. After all, jumping to a foreign country first, and then jumping back to China from a foreign country, this is the regular operation.

Originally, Zhang Yao felt that Lu Wu should not have this kind of technical ability, but facts speak louder than words. If that hacker wasn't Lu Wu (or Lu Wu instructed it), then there was no way to explain how he copied things back in such a short period of time. What is this time for? At most, it's only enough for Lu Wu to go home for a round trip, right?

Of course, you can guess that Lu Wu happened to know this hacker. However, it is hard to imagine that Lu Wu knows so much about this matter and can contact the other party in the first place, especially to get the other party's permission to get the things back.

And the robot. Although it looks rather crude, it must be said that the robot is still impressive. Especially that structure...... The skeleton, pipelines, and other structures clearly show that they are not decorations. Although I don't know what it is used for, the robot is really capable of acting - of course, it is difficult to say what it can do.

Just now, when the others accompanied the senior sister around the computer to study whether the documents and materials recovered were defective, Zhang Yao secretly searched for it with his mobile phone. So she knew something. It's the kind of robot that needs software support in addition to engines and power to act. After all, bipedal walking is no better than a track, and one engine will solve the problem. If this is an opportunity, let Lu Wu master a high level of programming skills...... At least theoretically possible.