Shut Down covers cybersecurity measures that stop systems, services, or access to contain threats, limit damage, and support safe recovery.
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Background for this topic.
Shutting down is the orderly termination and powering off of a computer, server, or network device; the term can also describe taking a service or system offline. A normal operating-system shutdown closes applications, writes pending data, and stops services, while a forced power-off may leave files or storage in an inconsistent state. Powering down is not the same as securely erasing data or removing an attacker’s persistence.
During incident response, shutting down can halt active malicious processes, but it also destroys volatile evidence such as memory-resident code and may prevent investigators from examining the running system. Teams should generally document the decision and apply appropriate network containment or evidence-collection procedures first, unless immediate isolation is necessary. For routine shutdowns, access controls should restrict who can power systems off, and full-disk encryption remains important because a powered-off device or removed drive may still expose stored data if stolen.
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A Taiwanese student experimenting with software-defined radio technology shut down three bullet trains for nearly an hour, leading to an anti-terrorism response.
The Inc ransomware gang took responsibility for the attack earlier this month and claimed it stole sensitive subscriber data.
After claiming it would shut down, the cybercriminal collective reemerged and threatened to publish the stolen data of Salesforce customers by Oct. 10 if its demands are not met.
The luxury automaker said its retail and production activities have been "severely disrupted."
In response to a cyberattack that was first detected on Sunday, the governor shut down in-person services for state offices while restoration efforts are underway.
A swarm of US agencies joined with international partners to take down servers and domains and seize more than $1 million associated with BlackSuit (Royal) ransomware operations, a group that has been a chronic, persistent threat against critical infrastructure.
The Emergency Management and Response - Information Sharing and Analysis Center provided essential information to the emergency services sector on physical and cyber threats and its closure leaves an information vacuum for these organizations.
The online service has since been shut down as the agency grapples with the cyberattack, though it assures the public that those most in need of legal assistance will still be able to access help.
No details yet on what forced the court to shut down affected systems and halt operations as of late Feb. 23.
Cyberattacks against OT/ICS engineering workstations are widely underestimated, according to researchers who discovered malware designed to shut down Siemens workstation engineering processes.
Computer infrastructure in the US, UK, and Germany associated with the cybercriminal group, which targeted SMBs using double extortion, is officially out of commission.
Russian threat actor FIN17 has shifted gears multiple times in recent years, focusing now on helping ransomware groups be even more covertly effective.
Strong partnerships and collaborations between industry and law enforcement are the most critical ways to take down cybercrime groups before they grow.
As city officials continue to investigate, it's unclear which systems were affected and whether it was a ransomware attack.
The previously unknown malware (aka Hidden Shovel) is a ghost in the machine: It silently attacks kernel drivers to shut down security defense systems and thus evade detection.
Instead of online contraband, the website now asks anyone with information that could help with the investigation to contact authorities.
The city was forced to shut down its IT networks and continues to investigate a major cyber incident that happened over the weekend.
The city is stymied in efforts to pinpoint the issue since its IT systems were shut down in the wake of the cyberattack.
It's unclear what kind of cyberattack VARTA AG is facing, but it has shut down its systems until it can become operational again.
Sunday night, Freehold Township district officials notified its staff and parents that school would not be in session Monday due to technical difficulties caused by a cyber incident.