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CISA Cyber engagement report

@CISACyber - 302K followers on X

Measured over 34 original posts from a 30-day window, last computed on September 5, 2026.

Engagement

Middle of its size range
Per follower
0.018%
of 302K followers
Per impression
0.519%
10K views on a typical post
Reach
3.38%
of its followers see a post
Typical post
53
interactions (median)
Saved
0.049%
5 bookmarks on a typical post
Posting rate
1.17/day
active 67% of days
Peak time
17:00 UTC
Tuesday

A typical post picks up 53 interactions against 302K followers, an engagement rate of 0.018%. Measured over 34 original posts, its engagement rate beats 32% of 6,874 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 10K times each, and 0.519% of those impressions turn into an interaction. That is about 3.38% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.2 post a day over the last 30 days, with activity on roughly 67% of days. Most posts go out around 17:00 UTC, and Tuesday is the busiest day of the week. Of the 34 posts sampled, 100% carry an image or video and 100% link out. The account's strongest tracked post pulled 208 interactions, about 3.9x its own typical post. Recurring topics include #cybersecurity, #infosec, #ics.

Measured over 34 original posts from a 30-day window, last computed on September 5, 2026. Recurring tags: #cybersecurity, #infosec, #ics.

Compared with accounts its own size

CISA Cyber's engagement rate beats 32% of the tracked X accounts closest to it in follower count (6,874 accounts, accounts of similar size (decile 7 of 10)). A percentile is spread evenly by construction, so 50 really is the middle of that group and 90 really is its top tenth.

On engagement per impression rather than per follower it beats 30% of the same group. When those two numbers disagree, the gap is about how far its posts travel rather than how people react to them.

Where this sits in the catalog

At 0.018%, CISA Cyber sits above the 25th percentile of the 68,576 accounts in this comparison. That places it in the below the median band, which runs 0.016% to 0.1%.

p100.002%
p250.016%
p50 (median)0.1%
p750.5%
p902.09%
p99116.4%
Engagement rate as a share of followers, across the 68,576 accounts we have scanned enough to measure. The axis is logarithmic, because the top and bottom of this population are about 55,420 times apart and a linear axis would flatten everything below the median into a single point.
Show the percentile table
Engagement rate percentiles
PercentileEngagement rate
10th percentile0.002%
25th percentile0.016%
50th percentile0.1%
75th percentile0.5%
90th percentile2.09%
99th percentile116.4%

This ruler is the whole measured catalog, not a size-matched group: it shows where the raw rate falls across every account we can measure, all of which are large. For a like-for-like comparison, read the size-band percentile above instead. See how the bands are built

Posting timing

This account posts most often around 17:00 UTC, and Tuesday is its busiest day of the week. The bars below are the catalog-wide pattern, with this account's own busiest slot marked. They do not show how this account performs at each hour: we keep one aggregate per account, not one per hour, so that measurement does not exist in our data.

Engagement by hour posted, UTCTwenty-four bars, one per UTC hour. Each bar shows how posts published in that hour compare with their own authors' median engagement. Bars above the centre line ran higher than the median, bars below ran lower. A marker flags Busiest hour: 17:00 UTC.
0003060912151821
Above the authors' own mediansBelowScale: plus or minus 111%Busiest hour: 17:00 UTC
Show engagement by hour posted, utc as a table
Engagement by hour posted, UTC
Hour (UTC)Vs author medianPosts
00:00 UTC-1%89K
01:00 UTC-2%90K
02:00 UTC-3%88K
03:00 UTC-4%94K
04:00 UTC-5%76K
05:00 UTC-4%75K
06:00 UTC-5%86K
07:00 UTC-5%93K
08:00 UTC-4%108K
09:00 UTC-4%124K
10:00 UTC-3%129K
11:00 UTC-3%141K
12:00 UTC-3%154K
13:00 UTC-3%167K
14:00 UTC-4%173K
15:00 UTC-2%176K
16:00 UTC-3%171K
17:00 UTC-3%159K
18:00 UTC-2%149K
19:00 UTC-2%141K
20:00 UTC-1%131K
21:00 UTC0%116K
22:00 UTC-2%100K
23:00 UTC-1%90K
Engagement by day of weekSeven bars, one per weekday, Sunday first. Each bar shows how posts published on that day compare with their own authors' median engagement. Bars above the centre line ran higher than the median, bars below ran lower. A marker flags Busiest day: Tuesday.
SunMonTueWedThuFriSat
Above the authors' own mediansBelowScale: plus or minus 111%Busiest day: Tuesday
Show engagement by day of week as a table
Engagement by day of week
DayVs author medianPosts
Sunday+5%393K
Monday+1%483K
Tuesday-2%520K
Wednesday-3%472K
Thursday-2%430K
Friday-3%447K
Saturday+2%393K
See what moves engagement across the whole catalogWhat counts as a good engagement rate at this size

Formats this account uses

Its own posting mix on the left, and what each of those formats does across every account we track on the right. Only formats where the effect clears our publish test appear here, so an empty row is a format we could not measure rather than one that does nothing.

This account's posting mix compared with catalog-wide effects
FormatThis accountCatalog effect95% intervalAccounts behind it
Image or video100% of posts+111%+108% to +115%34K
Outbound link100% of posts-41%-42% to -40%32K
Typical length-no effect-2% to -1%42K
  • 100% of this account's sampled posts carry an image or video. Across the catalog, posts with an image or video run 111% above the same accounts' other posts.
  • 100% of its posts carry a link off X. Across the catalog, posts with an outbound link run 41% below the same accounts' other posts, so a large share of this account's output sits in the weakest bucket we measure.
  • Its average post runs 252 characters, which falls in the 180 - 280 characters band. Across the catalog, posts of 180 to 280 characters match the same accounts' other posts almost exactly.

These are catalog-wide differences applied to this account's own posting mix, not a measurement of how each format performs for this account specifically. We keep one median per account, not one per format per account, so the second thing is not something this data can tell you.

Best tweets

  • Sep 3, 20263.9x their median

    Quantum computing advancements pose a real threat to public-key encryption. Our call to action with G7 partners urges orgs to inventory cryptographic assets, map dependencies, develop phased transition plans, & integrate PQC into procurement. Read more 🔑 https://t.co/VRhLvwLPg6 https://t.co/SkJOGkoXnF

    1464710511K viewsView on X
  • Aug 19, 20262.6x their median

    Cyber threat actors are using internet scanning & AI-generated scripts to target Siemens S7 Series programmable logic controllers (PLCs) across #CriticalInfrastructure. Read our advisory for mitigations within the broader threat landscape of PLCs👉 https://t.co/cIHvUZgnGQ https://t.co/UX7hZvffTK

    79488312K viewsView on X
  • Aug 18, 20262.6x their median

    Medusa ransomware actors are using vulnerability announcements to exploit new CVEs before they’re patched. Read our updated advisory with @FBICyberDiv and @HHSgov for the latest on Medusa threat activity + detection & incident response guidance 👉 https://t.co/tUwR6hhTv6 https://t.co/8t65H75uzM

    9532929.3K viewsView on X
  • Aug 26, 20261.8x their median

    Cyber risk isn’t an IT problem; it’s a business & national security risk. Our review baselines the vulnerability landscape before AI-enabled discovery becomes widespread & shows the impact of #SecurebyDesign + KEV prioritization. Read more 📊 https://t.co/cQhtb5LuzK https://t.co/IjkEK5KWGE

    65234412K viewsView on X
  • Aug 25, 20261.7x their median

    Same tactics, different results. Our new advisory compares two red team assessments and highlights what drove faster detection and response, including key actions for alert tuning, SOC procedures, and cloud identity and application security 👉 https://t.co/FqlYBaTwps https://t.co/iKqrafQ8Af

    64212119K viewsView on X
  • Aug 26, 2026

    🛡️ We added 6 CVEs to our Known Exploited Vulnerabilities Catalog. Visit https://t.co/myxOwap1Tf & apply mitigations to protect your org from cyberattacks. #Cybersecurity #InfoSec https://t.co/d6XNuh1Op1

    56173211K viewsView on X
  • Aug 31, 2026

    🛡️ We added 2 PaperCut NG/MF vulnerabilities to our KEV Catalog: CVE-2026-81578, a missing authentication for critical function vulnerability, and CVE-2026-82078, an unsafe reflection vulnerability. Visit https://t.co/myxOwap1Tf & apply mitigations to protect your org. https://t.co/w5JDfzw9SJ

    5219219.4K viewsView on X
  • Aug 14, 2026

    We implemented Gold Eagle to simplify the path from AI-enabled vulnerability discovery to remediation by streamlining triage, validation, & deduplication. Learn more about the software capability and how it augments VINCE: https://t.co/aCykLjU8zI https://t.co/MXKklkLy1q

    50174011K viewsView on X
  • Aug 27, 2026

    🛡️ We added ownCloud vulnerability CVE-2023-49105, Linux kernel vulnerability CVE-2026-53362 & JFrog Artifactory vulnerability CVE-2026-66384 to our KEV Catalog. Visit https://t.co/myxOwap1Tf & apply mitigations to protect your org from cyberattacks. #Cybersecurity https://t.co/m8GtYPbXsP

    5113609.5K viewsView on X
  • Aug 17, 2026

    📢 Stay informed on the latest vulnerabilities with @CISAgov's Vulnerability Bulletin & gain valuable insights into emerging threats. 💡Check out the latest updates: https://t.co/ZTZStmnajT #Cybersecurity #InfoSec #VulnerabilityManagement https://t.co/3ooU0Mr8QT

    49165011K viewsView on X

Ranked by total interactions across everything we have tracked for this account, which is a longer history than the 30-day window the rates above use. The multiple compares each post to this account's own median.

Recurring topics

#cybersecurity#infosec#ics#rce#vulnerabilitymanagement

The most frequent hashtags in the sampled posts. They describe what this account writes about; they are not a performance signal, and the catalog-wide breakdown on the hub shows how little hashtag count moves.

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Reading these numbers

A typical post picks up 53 interactions against 302K followers, an engagement rate of 0.018%. Measured over 34 original posts, its engagement rate beats 32% of 6,874 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 10K times each, and 0.519% of those impressions turn into an interaction. That is about 3.38% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.2 post a day over the last 30 days, with activity on roughly 67% of days. Most posts go out around 17:00 UTC, and Tuesday is the busiest day of the week. Of the 34 posts sampled, 100% carry an image or video and 100% link out. The account's strongest tracked post pulled 208 interactions, about 3.9x its own typical post. Recurring topics include #cybersecurity, #infosec, #ics.

What is CISA Cyber's engagement rate on X?
CISA Cyber (@CISACyber) has an engagement rate of 0.018%, based on the median interactions across 34 original posts from the last 30 days against 302,142 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
Is that a good engagement rate?
At 0.018%, CISA Cyber sits above the 25th percentile of the 68,576 accounts in this comparison. Those comparison accounts are all large ones, because our scanning cadence is weighted towards big accounts, so this is a ranking among peers of similar scale rather than a ranking across X.
Does @CISACyber have real engagement?
Its engagement rate beats 32% of the tracked X accounts closest to it in follower count (6,874 accounts), which puts it in the middle of its size range group. Ranking inside a size band matters because engagement rate falls as accounts grow, so a raw rate would mostly re-measure the follower count. It is a starting point for a look at follower quality, not a verdict on it.
When does @CISACyber post?
Most posts go out around 17:00 UTC, and Tuesday is its busiest day, at roughly 1.17 posts per day across the measured window.

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