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    Government Agencies Ordered to Fix Cisco Phone System Security Flaw
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    Government Agencies Ordered to Fix Cisco Phone System Security Flaw

    A security flaw in Cisco business phone systems is being exploited. Federal agencies must fix it by Sunday, but businesses should act too.

    Source

    BleepingComputer

    Original headline: CISA sets urgent deadline to fix Cisco flaw exploited in attacks

    Plain-English summary by GetCyberRight. Read the full report at the source above.

    Published Friday, June 26, 2026Updated Saturday, June 27, 20262 min read
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    The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has given federal agencies until Sunday to fix a security vulnerability in Cisco Unified Communications Manager Server. This is business phone system software that many companies and government offices use. Hackers are actively exploiting this flaw to break into systems. This mainly affects businesses, government offices, and organizations that use Cisco phone systems, not typical home phones or cell phones. If you work for a company or organization that uses a Cisco phone system at the office, your employer's IT department should be working on this fix.

    Your personal home phone, mobile phone, or internet-based calling apps like FaceTime or WhatsApp are not affected by this specific vulnerability.

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    Here is what you should do:

    1. If you work for a company using Cisco phone systems, alert your IT department or supervisor about this urgent security update if they have not already addressed it.
    2. Be extra cautious about any unusual phone calls or voicemails you receive at work over the next few weeks.
    3. Do not click on links or download attachments from unexpected voicemails or phone system messages.
    4. If your work phone system behaves strangely or you notice unusual activity, report it immediately to your IT department. This incident highlights why businesses must stay on top of security updates for all their systems, not just computers. If you own a small business or help manage technology for an organization, make sure someone is responsible for monitoring security alerts and applying updates quickly. When government agencies set urgent deadlines like this, it means the threat is real and actively being used by hackers.

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    Curated from trusted cybersecurity sources by GetCyberRight

    Source: BleepingComputer

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